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CVE-2026-53176

A flaw was found in the Linux kernel's Internet Small Computer System Interface (iSCSI) Extensions for Remote Direct Memory Access (RDMA) (iSER) module. A remote attacker can send a specially crafted login request with a payload shorter than expected, leading to an integer underflow. This underflow causes a negative length to be used in a memory copy operation, resulting in an out-of-bounds write that crashes the system. This vulnerability allows an unauthenticated remote attacker to cause a Den
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:aef5e269aeda6eba7374ffbf9fb8119016c01c482f962057c430ca68b4152306
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

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:9"],"defaultStatus":"affected","packageName":"kernel","product":"Red Hat Enterprise Linux 9","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:0a9e6e16c1c46f98248caa28f9401cfb87ce641885d180d5cb253f8bc0e08590 · sha256:465c18b768ba530c… · /containers/adp/0/affected/6

{"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:v2:0a9e6e16c1c46f98248caa28f9401cfb87ce641885d180d5cb253f8bc0e08590 · sha256:465c18b768ba530c… · /containers/adp/0/affected/5

{"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:v2:0a9e6e16c1c46f98248caa28f9401cfb87ce641885d180d5cb253f8bc0e08590 · sha256:465c18b768ba530c… · /containers/adp/0/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/infiniband/ulp/isert/ib_isert.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"3.10"},{"lessThan":"3.10","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.259","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.210","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.176","versionType":"…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:0a9e6e16c1c46f98248caa28f9401cfb87ce641885d180d5cb253f8bc0e08590 · sha256:465c18b768ba530c… · /containers/cna/affected/1

{"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:v2:0a9e6e16c1c46f98248caa28f9401cfb87ce641885d180d5cb253f8bc0e08590 · sha256:465c18b768ba530c… · /containers/adp/0/affected/4

{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/infiniband/ulp/isert/ib_isert.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"75ee6e4aa096aa9e7b2dd5c8ff98356e30aceefb","status":"affected","version":"b8d26b3be8b33682cf163274ed07479a70554633","versionType":"git"},{"lessThan":"e8a013c0c3ca2f6708341a56612a3f6d6921620a","status":"affected","version":"b8d26b3be8b33682cf163274ed07479a70554633","versionType":"git"},{"lessThan":"bd22740d7f14cb1c0289444cfd2c8d2938667c1d","status":"affected","version":"b8d26b…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:0a9e6e16c1c46f98248caa28f9401cfb87ce641885d180d5cb253f8bc0e08590 · sha256:465c18b768ba530c… · /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:v2:0a9e6e16c1c46f98248caa28f9401cfb87ce641885d180d5cb253f8bc0e08590 · sha256:465c18b768ba530c… · /containers/adp/0/affected/7

{"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:v2:0a9e6e16c1c46f98248caa28f9401cfb87ce641885d180d5cb253f8bc0e08590 · sha256:465c18b768ba530c… · /containers/adp/0/affected/1

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

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:0a9e6e16c1c46f98248caa28f9401cfb87ce641885d180d5cb253f8bc0e08590 · sha256:465c18b768ba530c… · /containers/adp/0/affected/3

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

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:0a9e6e16c1c46f98248caa28f9401cfb87ce641885d180d5cb253f8bc0e08590 · sha256:465c18b768ba530c… · /containers/adp/0/affected/2
cvss · 2 assertions

{"metric":{"attackComplexity":"LOW","attackVector":"ADJACENT_NETWORK","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:0a9e6e16c1c46f98248caa28f9401cfb87ce641885d180d5cb253f8bc0e08590 · sha256:465c18b768ba530c… · /containers/adp/0/metrics/1/cvssV3_1

{"metric":{"baseScore":9.8,"baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/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:v2:0a9e6e16c1c46f98248caa28f9401cfb87ce641885d180d5cb253f8bc0e08590 · sha256:465c18b768ba530c… · /containers/cna/metrics/0/cvssV3_1

Affected products and versions

10 source assertions
{"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:v2:0a9e6e16c1c46f98248caa28f9401cfb87ce641885d180d5cb253f8bc0e08590 · sha256:465c18b768ba530c… · /containers/adp/0/affected/6
{"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:v2:0a9e6e16c1c46f98248caa28f9401cfb87ce641885d180d5cb253f8bc0e08590 · sha256:465c18b768ba530c… · /containers/adp/0/affected/5
{"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:v2:0a9e6e16c1c46f98248caa28f9401cfb87ce641885d180d5cb253f8bc0e08590 · sha256:465c18b768ba530c… · /containers/adp/0/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/infiniband/ulp/isert/ib_isert.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"3.10"},{"lessThan":"3.10","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.259","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.210","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.176","versionType":"…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:0a9e6e16c1c46f98248caa28f9401cfb87ce641885d180d5cb253f8bc0e08590 · sha256:465c18b768ba530c… · /containers/cna/affected/1
{"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:v2:0a9e6e16c1c46f98248caa28f9401cfb87ce641885d180d5cb253f8bc0e08590 · sha256:465c18b768ba530c… · /containers/adp/0/affected/4
{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/infiniband/ulp/isert/ib_isert.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"75ee6e4aa096aa9e7b2dd5c8ff98356e30aceefb","status":"affected","version":"b8d26b3be8b33682cf163274ed07479a70554633","versionType":"git"},{"lessThan":"e8a013c0c3ca2f6708341a56612a3f6d6921620a","status":"affected","version":"b8d26b3be8b33682cf163274ed07479a70554633","versionType":"git"},{"lessThan":"bd22740d7f14cb1c0289444cfd2c8d2938667c1d","status":"affected","version":"b8d26b…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:0a9e6e16c1c46f98248caa28f9401cfb87ce641885d180d5cb253f8bc0e08590 · sha256:465c18b768ba530c… · /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:v2:0a9e6e16c1c46f98248caa28f9401cfb87ce641885d180d5cb253f8bc0e08590 · sha256:465c18b768ba530c… · /containers/adp/0/affected/7
{"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:v2:0a9e6e16c1c46f98248caa28f9401cfb87ce641885d180d5cb253f8bc0e08590 · sha256:465c18b768ba530c… · /containers/adp/0/affected/1
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:7"],"defaultStatus":"affected","packageName":"kernel-rt","product":"Red Hat Enterprise Linux 7","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:0a9e6e16c1c46f98248caa28f9401cfb87ce641885d180d5cb253f8bc0e08590 · sha256:465c18b768ba530c… · /containers/adp/0/affected/3
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:7"],"defaultStatus":"affected","packageName":"kernel","product":"Red Hat Enterprise Linux 7","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:0a9e6e16c1c46f98248caa28f9401cfb87ce641885d180d5cb253f8bc0e08590 · sha256:465c18b768ba530c… · /containers/adp/0/affected/2

Provider-owned CVSS observations

2 source assertions
{"metric":{"attackComplexity":"LOW","attackVector":"ADJACENT_NETWORK","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:0a9e6e16c1c46f98248caa28f9401cfb87ce641885d180d5cb253f8bc0e08590 · sha256:465c18b768ba530c… · /containers/adp/0/metrics/1/cvssV3_1
{"metric":{"baseScore":9.8,"baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/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:v2:0a9e6e16c1c46f98248caa28f9401cfb87ce641885d180d5cb253f8bc0e08590 · sha256:465c18b768ba530c… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-839","description":"Numeric Range Comparison Without Minimum Check","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:0a9e6e16c1c46f98248caa28f9401cfb87ce641885d180d5cb253f8bc0e08590 · sha256:465c18b768ba530c… · /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-2026-53176"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0a9e6e16c1c46f98248caa28f9401cfb87ce641885d180d5cb253f8bc0e08590 · sha256:465c18b768ba530c… · /containers/adp/0/references/0
{"name":"RHBZ#2492741","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2492741"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0a9e6e16c1c46f98248caa28f9401cfb87ce641885d180d5cb253f8bc0e08590 · sha256:465c18b768ba530c… · /containers/adp/0/references/1
{"url":"https://git.kernel.org/stable/c/1ca40b243277c9e88be5e00bd3e083f71aefb93e"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0a9e6e16c1c46f98248caa28f9401cfb87ce641885d180d5cb253f8bc0e08590 · sha256:465c18b768ba530c… · /containers/cna/references/6
{"url":"https://git.kernel.org/stable/c/29e7b925ae6df64894e82ab6419994dc25580a8a"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0a9e6e16c1c46f98248caa28f9401cfb87ce641885d180d5cb253f8bc0e08590 · sha256:465c18b768ba530c… · /containers/cna/references/7
{"url":"https://git.kernel.org/stable/c/75ee6e4aa096aa9e7b2dd5c8ff98356e30aceefb"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0a9e6e16c1c46f98248caa28f9401cfb87ce641885d180d5cb253f8bc0e08590 · sha256:465c18b768ba530c… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/bd22740d7f14cb1c0289444cfd2c8d2938667c1d"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0a9e6e16c1c46f98248caa28f9401cfb87ce641885d180d5cb253f8bc0e08590 · sha256:465c18b768ba530c… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/c1234229399f4af12c553b1b0ffd978eeba65548"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0a9e6e16c1c46f98248caa28f9401cfb87ce641885d180d5cb253f8bc0e08590 · sha256:465c18b768ba530c… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/c5584e089b5af7b3bf8bd5e8ca0560cbf32b0a47"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0a9e6e16c1c46f98248caa28f9401cfb87ce641885d180d5cb253f8bc0e08590 · sha256:465c18b768ba530c… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/df422fd273c96c2ee5beb80fc21adc8c70c29260"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0a9e6e16c1c46f98248caa28f9401cfb87ce641885d180d5cb253f8bc0e08590 · sha256:465c18b768ba530c… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/e8a013c0c3ca2f6708341a56612a3f6d6921620a"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0a9e6e16c1c46f98248caa28f9401cfb87ce641885d180d5cb253f8bc0e08590 · sha256:465c18b768ba530c… · /containers/cna/references/1
{"tags":["x_sadp-csaf-vex"],"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-53176.json"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0a9e6e16c1c46f98248caa28f9401cfb87ce641885d180d5cb253f8bc0e08590 · sha256:465c18b768ba530c… · /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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