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CVE-2026-43114

A flaw was found in the Linux kernel's netfilter component, specifically within the `nft_set_pipapo_avx2` AVX2 matching functions. This vulnerability occurs when a `pipapo` set with an 'ipv4 . port' key is reloaded. Due to incorrect masking, the system may erroneously identify non-matching elements as duplicates, leading to data integrity issues and unexpected behavior. A remote attacker could potentially exploit this to cause a denial of service or impact data integrity.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:f9c3d25a7e4f32922083a64bd2c887028e522ed65c2774311246fcd8d385c27a
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 12 assertions

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:9"],"defaultStatus":"unknown","packageName":"kernel-rt","product":"Red Hat Enterprise Linux 9","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6f43ac1b9a0b896152c918a401f90a35d40ac6d5041d5f2c3a399eb8db842994 · sha256:24adcc06432a2b39… · /containers/adp/0/affected/8

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:6"],"defaultStatus":"unaffected","packageName":"kernel","product":"Red Hat Enterprise Linux 6","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6f43ac1b9a0b896152c918a401f90a35d40ac6d5041d5f2c3a399eb8db842994 · sha256:24adcc06432a2b39… · /containers/adp/0/affected/2

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:10"],"defaultStatus":"unaffected","packageName":"libkrun","product":"Red Hat Enterprise Linux 10","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6f43ac1b9a0b896152c918a401f90a35d40ac6d5041d5f2c3a399eb8db842994 · sha256:24adcc06432a2b39… · /containers/adp/0/affected/1

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:9"],"defaultStatus":"affected","packageName":"kernel","product":"Red Hat Enterprise Linux 9","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6f43ac1b9a0b896152c918a401f90a35d40ac6d5041d5f2c3a399eb8db842994 · sha256:24adcc06432a2b39… · /containers/adp/0/affected/7

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:7"],"defaultStatus":"unaffected","packageName":"kernel-rt","product":"Red Hat Enterprise Linux 7","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6f43ac1b9a0b896152c918a401f90a35d40ac6d5041d5f2c3a399eb8db842994 · sha256:24adcc06432a2b39… · /containers/adp/0/affected/4

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:10"],"defaultStatus":"affected","packageName":"kernel","product":"Red Hat Enterprise Linux 10","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6f43ac1b9a0b896152c918a401f90a35d40ac6d5041d5f2c3a399eb8db842994 · sha256:24adcc06432a2b39… · /containers/adp/0/affected/0

{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/netfilter/nft_set_pipapo_avx2.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"f8c39983fc9c1a978c82e6f2df7bfba8a8561587","status":"affected","version":"7400b063969bdca4a06cd97f1294d765c8eecbe1","versionType":"git"},{"lessThan":"c7babe2f28b507e17f28e9f753b7caec72d4857f","status":"affected","version":"7400b063969bdca4a06cd97f1294d765c8eecbe1","versionType":"git"},{"lessThan":"1c43f0dd8691ddf8884793b481ddc7511cf593c3","status":"affected","version":"7400b06396…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6f43ac1b9a0b896152c918a401f90a35d40ac6d5041d5f2c3a399eb8db842994 · sha256:24adcc06432a2b39… · /containers/cna/affected/0

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:8"],"defaultStatus":"unaffected","packageName":"kernel","product":"Red Hat Enterprise Linux 8","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6f43ac1b9a0b896152c918a401f90a35d40ac6d5041d5f2c3a399eb8db842994 · sha256:24adcc06432a2b39… · /containers/adp/0/affected/5

{"defaultStatus":"affected","product":"Linux","programFiles":["net/netfilter/nft_set_pipapo_avx2.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.7"},{"lessThan":"5.7","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.258","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.209","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.175","versionType":"semver…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6f43ac1b9a0b896152c918a401f90a35d40ac6d5041d5f2c3a399eb8db842994 · sha256:24adcc06432a2b39… · /containers/cna/affected/1

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:7"],"defaultStatus":"unaffected","packageName":"kernel","product":"Red Hat Enterprise Linux 7","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6f43ac1b9a0b896152c918a401f90a35d40ac6d5041d5f2c3a399eb8db842994 · sha256:24adcc06432a2b39… · /containers/adp/0/affected/3

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:8"],"defaultStatus":"unaffected","packageName":"kernel-rt","product":"Red Hat Enterprise Linux 8","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6f43ac1b9a0b896152c918a401f90a35d40ac6d5041d5f2c3a399eb8db842994 · sha256:24adcc06432a2b39… · /containers/adp/0/affected/6

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openshift:4"],"defaultStatus":"affected","packageName":"rhcos","product":"Red Hat OpenShift Container Platform 4","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6f43ac1b9a0b896152c918a401f90a35d40ac6d5041d5f2c3a399eb8db842994 · sha256:24adcc06432a2b39… · /containers/adp/0/affected/9
cvss · 2 assertions

{"metric":{"baseScore":9.4,"baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:6f43ac1b9a0b896152c918a401f90a35d40ac6d5041d5f2c3a399eb8db842994 · sha256:24adcc06432a2b39… · /containers/cna/metrics/0/cvssV3_1

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:6f43ac1b9a0b896152c918a401f90a35d40ac6d5041d5f2c3a399eb8db842994 · sha256:24adcc06432a2b39… · /containers/adp/0/metrics/1/cvssV3_1

Affected products and versions

12 source assertions
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:9"],"defaultStatus":"unknown","packageName":"kernel-rt","product":"Red Hat Enterprise Linux 9","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6f43ac1b9a0b896152c918a401f90a35d40ac6d5041d5f2c3a399eb8db842994 · sha256:24adcc06432a2b39… · /containers/adp/0/affected/8
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:6"],"defaultStatus":"unaffected","packageName":"kernel","product":"Red Hat Enterprise Linux 6","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6f43ac1b9a0b896152c918a401f90a35d40ac6d5041d5f2c3a399eb8db842994 · sha256:24adcc06432a2b39… · /containers/adp/0/affected/2
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:10"],"defaultStatus":"unaffected","packageName":"libkrun","product":"Red Hat Enterprise Linux 10","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6f43ac1b9a0b896152c918a401f90a35d40ac6d5041d5f2c3a399eb8db842994 · sha256:24adcc06432a2b39… · /containers/adp/0/affected/1
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:9"],"defaultStatus":"affected","packageName":"kernel","product":"Red Hat Enterprise Linux 9","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6f43ac1b9a0b896152c918a401f90a35d40ac6d5041d5f2c3a399eb8db842994 · sha256:24adcc06432a2b39… · /containers/adp/0/affected/7
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:7"],"defaultStatus":"unaffected","packageName":"kernel-rt","product":"Red Hat Enterprise Linux 7","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6f43ac1b9a0b896152c918a401f90a35d40ac6d5041d5f2c3a399eb8db842994 · sha256:24adcc06432a2b39… · /containers/adp/0/affected/4
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:10"],"defaultStatus":"affected","packageName":"kernel","product":"Red Hat Enterprise Linux 10","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6f43ac1b9a0b896152c918a401f90a35d40ac6d5041d5f2c3a399eb8db842994 · sha256:24adcc06432a2b39… · /containers/adp/0/affected/0
{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/netfilter/nft_set_pipapo_avx2.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"f8c39983fc9c1a978c82e6f2df7bfba8a8561587","status":"affected","version":"7400b063969bdca4a06cd97f1294d765c8eecbe1","versionType":"git"},{"lessThan":"c7babe2f28b507e17f28e9f753b7caec72d4857f","status":"affected","version":"7400b063969bdca4a06cd97f1294d765c8eecbe1","versionType":"git"},{"lessThan":"1c43f0dd8691ddf8884793b481ddc7511cf593c3","status":"affected","version":"7400b06396…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6f43ac1b9a0b896152c918a401f90a35d40ac6d5041d5f2c3a399eb8db842994 · sha256:24adcc06432a2b39… · /containers/cna/affected/0
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:8"],"defaultStatus":"unaffected","packageName":"kernel","product":"Red Hat Enterprise Linux 8","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6f43ac1b9a0b896152c918a401f90a35d40ac6d5041d5f2c3a399eb8db842994 · sha256:24adcc06432a2b39… · /containers/adp/0/affected/5
{"defaultStatus":"affected","product":"Linux","programFiles":["net/netfilter/nft_set_pipapo_avx2.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.7"},{"lessThan":"5.7","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.258","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.209","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.175","versionType":"semver…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6f43ac1b9a0b896152c918a401f90a35d40ac6d5041d5f2c3a399eb8db842994 · sha256:24adcc06432a2b39… · /containers/cna/affected/1
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:7"],"defaultStatus":"unaffected","packageName":"kernel","product":"Red Hat Enterprise Linux 7","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6f43ac1b9a0b896152c918a401f90a35d40ac6d5041d5f2c3a399eb8db842994 · sha256:24adcc06432a2b39… · /containers/adp/0/affected/3
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:8"],"defaultStatus":"unaffected","packageName":"kernel-rt","product":"Red Hat Enterprise Linux 8","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6f43ac1b9a0b896152c918a401f90a35d40ac6d5041d5f2c3a399eb8db842994 · sha256:24adcc06432a2b39… · /containers/adp/0/affected/6
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openshift:4"],"defaultStatus":"affected","packageName":"rhcos","product":"Red Hat OpenShift Container Platform 4","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6f43ac1b9a0b896152c918a401f90a35d40ac6d5041d5f2c3a399eb8db842994 · sha256:24adcc06432a2b39… · /containers/adp/0/affected/9

Provider-owned CVSS observations

2 source assertions
{"metric":{"baseScore":9.4,"baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:6f43ac1b9a0b896152c918a401f90a35d40ac6d5041d5f2c3a399eb8db842994 · sha256:24adcc06432a2b39… · /containers/cna/metrics/0/cvssV3_1
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:6f43ac1b9a0b896152c918a401f90a35d40ac6d5041d5f2c3a399eb8db842994 · sha256:24adcc06432a2b39… · /containers/adp/0/metrics/1/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-480","description":"Use of Incorrect Operator","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:6f43ac1b9a0b896152c918a401f90a35d40ac6d5041d5f2c3a399eb8db842994 · sha256:24adcc06432a2b39… · /containers/adp/0/problemTypes/0/descriptions/0

Source references

11 source assertions
{"tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-43114"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6f43ac1b9a0b896152c918a401f90a35d40ac6d5041d5f2c3a399eb8db842994 · sha256:24adcc06432a2b39… · /containers/adp/0/references/0
{"name":"RHBZ#2466994","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2466994"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6f43ac1b9a0b896152c918a401f90a35d40ac6d5041d5f2c3a399eb8db842994 · sha256:24adcc06432a2b39… · /containers/adp/0/references/1
{"url":"https://git.kernel.org/stable/c/07de44424bb7f17ef9357e8535df96d9e97c40cb"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6f43ac1b9a0b896152c918a401f90a35d40ac6d5041d5f2c3a399eb8db842994 · sha256:24adcc06432a2b39… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/0abbc43f71d99baadeeba6fa3fe1c80b676f57ed"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6f43ac1b9a0b896152c918a401f90a35d40ac6d5041d5f2c3a399eb8db842994 · sha256:24adcc06432a2b39… · /containers/cna/references/6
{"url":"https://git.kernel.org/stable/c/1c43f0dd8691ddf8884793b481ddc7511cf593c3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6f43ac1b9a0b896152c918a401f90a35d40ac6d5041d5f2c3a399eb8db842994 · sha256:24adcc06432a2b39… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/3d53f9aafd469ae1ea27051e00f5b96ca1b55d52"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6f43ac1b9a0b896152c918a401f90a35d40ac6d5041d5f2c3a399eb8db842994 · sha256:24adcc06432a2b39… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/c7babe2f28b507e17f28e9f753b7caec72d4857f"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6f43ac1b9a0b896152c918a401f90a35d40ac6d5041d5f2c3a399eb8db842994 · sha256:24adcc06432a2b39… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/d3c0037ffe1273fa1961e779ff6906234d6cf53c"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6f43ac1b9a0b896152c918a401f90a35d40ac6d5041d5f2c3a399eb8db842994 · sha256:24adcc06432a2b39… · /containers/cna/references/7
{"url":"https://git.kernel.org/stable/c/f8c39983fc9c1a978c82e6f2df7bfba8a8561587"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6f43ac1b9a0b896152c918a401f90a35d40ac6d5041d5f2c3a399eb8db842994 · sha256:24adcc06432a2b39… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/fa4f1f52528c73989d820f32bfca06bec5afeece"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6f43ac1b9a0b896152c918a401f90a35d40ac6d5041d5f2c3a399eb8db842994 · sha256:24adcc06432a2b39… · /containers/cna/references/3
{"tags":["x_sadp-csaf-vex"],"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-43114.json"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6f43ac1b9a0b896152c918a401f90a35d40ac6d5041d5f2c3a399eb8db842994 · sha256:24adcc06432a2b39… · /containers/adp/0/references/2

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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