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CVE-2026-52972

A flaw was found in the Linux kernel's `af_alg` cryptography module. This vulnerability involves an arithmetic overflow when processing associated data lengths during the transmit buffer size check. A remote attacker could exploit this flaw by providing a specially crafted associated data length, potentially leading to a denial of service (DoS) due to system instability.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:09d70f83a43c93d94f12c679ef134ddbf4d83d16772ed9fe0d899425c6190ced
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 10 assertions

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

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b17c788ee8261cc40a3c699fae5af422b838c8c8cf1b812e2a7f49c5e01fe8c2 · sha256:a3b3f83e8e14ff33… · /containers/adp/0/affected/5

{"defaultStatus":"unaffected","product":"Linux","programFiles":["crypto/af_alg.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"f8a5203596797f394ff3f9aa4005597a92249802","status":"affected","version":"400c40cf78da00c16e561a3a253ca272455c42ef","versionType":"git"},{"lessThan":"a9f68d9ed38dd6e5a6c6d75b03d25c1c133e321d","status":"affected","version":"400c40cf78da00c16e561a3a253ca272455c42ef","versionType":"git"},{"lessThan":"a4fe4eb580bbc7439f649a496d4cf38415a4021c","status":"affected","version":"400c40cf78da00c16e561a3a253ca2…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b17c788ee8261cc40a3c699fae5af422b838c8c8cf1b812e2a7f49c5e01fe8c2 · sha256:a3b3f83e8e14ff33… · /containers/cna/affected/0

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

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b17c788ee8261cc40a3c699fae5af422b838c8c8cf1b812e2a7f49c5e01fe8c2 · sha256:a3b3f83e8e14ff33… · /containers/adp/0/affected/7

{"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:b17c788ee8261cc40a3c699fae5af422b838c8c8cf1b812e2a7f49c5e01fe8c2 · sha256:a3b3f83e8e14ff33… · /containers/adp/0/affected/6

{"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:b17c788ee8261cc40a3c699fae5af422b838c8c8cf1b812e2a7f49c5e01fe8c2 · sha256:a3b3f83e8e14ff33… · /containers/adp/0/affected/3

{"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:b17c788ee8261cc40a3c699fae5af422b838c8c8cf1b812e2a7f49c5e01fe8c2 · sha256:a3b3f83e8e14ff33… · /containers/adp/0/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:b17c788ee8261cc40a3c699fae5af422b838c8c8cf1b812e2a7f49c5e01fe8c2 · sha256:a3b3f83e8e14ff33… · /containers/adp/0/affected/2

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

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b17c788ee8261cc40a3c699fae5af422b838c8c8cf1b812e2a7f49c5e01fe8c2 · sha256:a3b3f83e8e14ff33… · /containers/adp/0/affected/4

{"defaultStatus":"affected","product":"Linux","programFiles":["crypto/af_alg.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.1"},{"lessThan":"4.1","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"},{"lessThanOrEqual…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b17c788ee8261cc40a3c699fae5af422b838c8c8cf1b812e2a7f49c5e01fe8c2 · sha256:a3b3f83e8e14ff33… · /containers/cna/affected/1

{"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:b17c788ee8261cc40a3c699fae5af422b838c8c8cf1b812e2a7f49c5e01fe8c2 · sha256:a3b3f83e8e14ff33… · /containers/adp/0/affected/0

Affected products and versions

10 source assertions
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:8"],"defaultStatus":"affected","packageName":"kernel-rt","product":"Red Hat Enterprise Linux 8","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b17c788ee8261cc40a3c699fae5af422b838c8c8cf1b812e2a7f49c5e01fe8c2 · sha256:a3b3f83e8e14ff33… · /containers/adp/0/affected/5
{"defaultStatus":"unaffected","product":"Linux","programFiles":["crypto/af_alg.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"f8a5203596797f394ff3f9aa4005597a92249802","status":"affected","version":"400c40cf78da00c16e561a3a253ca272455c42ef","versionType":"git"},{"lessThan":"a9f68d9ed38dd6e5a6c6d75b03d25c1c133e321d","status":"affected","version":"400c40cf78da00c16e561a3a253ca272455c42ef","versionType":"git"},{"lessThan":"a4fe4eb580bbc7439f649a496d4cf38415a4021c","status":"affected","version":"400c40cf78da00c16e561a3a253ca2…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b17c788ee8261cc40a3c699fae5af422b838c8c8cf1b812e2a7f49c5e01fe8c2 · sha256:a3b3f83e8e14ff33… · /containers/cna/affected/0
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:9"],"defaultStatus":"affected","packageName":"kernel-rt","product":"Red Hat Enterprise Linux 9","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b17c788ee8261cc40a3c699fae5af422b838c8c8cf1b812e2a7f49c5e01fe8c2 · sha256:a3b3f83e8e14ff33… · /containers/adp/0/affected/7
{"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:b17c788ee8261cc40a3c699fae5af422b838c8c8cf1b812e2a7f49c5e01fe8c2 · sha256:a3b3f83e8e14ff33… · /containers/adp/0/affected/6
{"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:b17c788ee8261cc40a3c699fae5af422b838c8c8cf1b812e2a7f49c5e01fe8c2 · sha256:a3b3f83e8e14ff33… · /containers/adp/0/affected/3
{"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:b17c788ee8261cc40a3c699fae5af422b838c8c8cf1b812e2a7f49c5e01fe8c2 · sha256:a3b3f83e8e14ff33… · /containers/adp/0/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:b17c788ee8261cc40a3c699fae5af422b838c8c8cf1b812e2a7f49c5e01fe8c2 · sha256:a3b3f83e8e14ff33… · /containers/adp/0/affected/2
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:8"],"defaultStatus":"affected","packageName":"kernel","product":"Red Hat Enterprise Linux 8","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b17c788ee8261cc40a3c699fae5af422b838c8c8cf1b812e2a7f49c5e01fe8c2 · sha256:a3b3f83e8e14ff33… · /containers/adp/0/affected/4
{"defaultStatus":"affected","product":"Linux","programFiles":["crypto/af_alg.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.1"},{"lessThan":"4.1","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"},{"lessThanOrEqual…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b17c788ee8261cc40a3c699fae5af422b838c8c8cf1b812e2a7f49c5e01fe8c2 · sha256:a3b3f83e8e14ff33… · /containers/cna/affected/1
{"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:b17c788ee8261cc40a3c699fae5af422b838c8c8cf1b812e2a7f49c5e01fe8c2 · sha256:a3b3f83e8e14ff33… · /containers/adp/0/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:b17c788ee8261cc40a3c699fae5af422b838c8c8cf1b812e2a7f49c5e01fe8c2 · sha256:a3b3f83e8e14ff33… · /containers/adp/0/metrics/1/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-190","description":"Integer Overflow or Wraparound","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:b17c788ee8261cc40a3c699fae5af422b838c8c8cf1b812e2a7f49c5e01fe8c2 · sha256:a3b3f83e8e14ff33… · /containers/adp/0/problemTypes/0/descriptions/0

Source references

12 source assertions
{"tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-52972"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b17c788ee8261cc40a3c699fae5af422b838c8c8cf1b812e2a7f49c5e01fe8c2 · sha256:a3b3f83e8e14ff33… · /containers/adp/0/references/0
{"name":"RHBZ#2492364","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2492364"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b17c788ee8261cc40a3c699fae5af422b838c8c8cf1b812e2a7f49c5e01fe8c2 · sha256:a3b3f83e8e14ff33… · /containers/adp/0/references/1
{"url":"https://git.kernel.org/stable/c/0b3a57d218618cb1cc78ddc9ba02c07de84b46f4"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b17c788ee8261cc40a3c699fae5af422b838c8c8cf1b812e2a7f49c5e01fe8c2 · sha256:a3b3f83e8e14ff33… · /containers/cna/references/7
{"url":"https://git.kernel.org/stable/c/265ac26d1c5e17b34d497cbda1f754a1ec8552bc"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b17c788ee8261cc40a3c699fae5af422b838c8c8cf1b812e2a7f49c5e01fe8c2 · sha256:a3b3f83e8e14ff33… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/97948906dc8e0ea84775e03e35b60a2063c70193"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b17c788ee8261cc40a3c699fae5af422b838c8c8cf1b812e2a7f49c5e01fe8c2 · sha256:a3b3f83e8e14ff33… · /containers/cna/references/6
{"url":"https://git.kernel.org/stable/c/a1c5672faf8e93e38c2deac3979cc767ca5cf918"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b17c788ee8261cc40a3c699fae5af422b838c8c8cf1b812e2a7f49c5e01fe8c2 · sha256:a3b3f83e8e14ff33… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/a4fe4eb580bbc7439f649a496d4cf38415a4021c"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b17c788ee8261cc40a3c699fae5af422b838c8c8cf1b812e2a7f49c5e01fe8c2 · sha256:a3b3f83e8e14ff33… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/a9f68d9ed38dd6e5a6c6d75b03d25c1c133e321d"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b17c788ee8261cc40a3c699fae5af422b838c8c8cf1b812e2a7f49c5e01fe8c2 · sha256:a3b3f83e8e14ff33… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/e4c06479d7059888adf2f22bc1ebcf053bf691a2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b17c788ee8261cc40a3c699fae5af422b838c8c8cf1b812e2a7f49c5e01fe8c2 · sha256:a3b3f83e8e14ff33… · /containers/cna/references/8
{"url":"https://git.kernel.org/stable/c/e4c4a5074532eaaa14951994a3aad0d479aa7431"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b17c788ee8261cc40a3c699fae5af422b838c8c8cf1b812e2a7f49c5e01fe8c2 · sha256:a3b3f83e8e14ff33… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/f8a5203596797f394ff3f9aa4005597a92249802"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b17c788ee8261cc40a3c699fae5af422b838c8c8cf1b812e2a7f49c5e01fe8c2 · sha256:a3b3f83e8e14ff33… · /containers/cna/references/0
{"tags":["x_sadp-csaf-vex"],"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-52972.json"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b17c788ee8261cc40a3c699fae5af422b838c8c8cf1b812e2a7f49c5e01fe8c2 · sha256:a3b3f83e8e14ff33… · /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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