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CVE-2026-52927

In the Linux kernel, the following vulnerability has been resolved: netfilter: ebtables: fix OOB read in compat_mtw_from_user Luxiao Xu says: The function compat_mtw_from_user() converts ebtables extensions from 32-bit user structures to kernel native structures. However, it lacks proper validation of the user-supplied match_size/target_size. When certain extensions are processed, the kernel-side translation logic may perform memory accesses based on the extension's expected size. If t
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:3bab1e83115ebcb534cb09de52f863ee9f0cca4e6483abde331f353f4cece14b
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"affected","product":"Linux","programFiles":["net/bridge/netfilter/ebtables.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.34"},{"lessThan":"2.6.34","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":"semv…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5f3296a80f823c6c6fbd9eeaa0a9c99a6b601f22394898672863c823e292f480 · sha256:c67d902ce7629435… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/bridge/netfilter/ebtables.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"d7a8fb6f10d55a1c37b0bf8c20cca24dffd76e00","status":"affected","version":"81e675c227ec60a0bdcbb547dc530ebee23ff931","versionType":"git"},{"lessThan":"21af4c030567d2e6c89bb927bc18b51fba52a400","status":"affected","version":"81e675c227ec60a0bdcbb547dc530ebee23ff931","versionType":"git"},{"lessThan":"dad9ebf8107955bb54bd3f9cf22591b6ff37bac1","status":"affected","version":"81e675c227ec60…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5f3296a80f823c6c6fbd9eeaa0a9c99a6b601f22394898672863c823e292f480 · sha256:c67d902ce7629435… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["net/bridge/netfilter/ebtables.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.34"},{"lessThan":"2.6.34","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":"semv…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5f3296a80f823c6c6fbd9eeaa0a9c99a6b601f22394898672863c823e292f480 · sha256:c67d902ce7629435… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/bridge/netfilter/ebtables.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"d7a8fb6f10d55a1c37b0bf8c20cca24dffd76e00","status":"affected","version":"81e675c227ec60a0bdcbb547dc530ebee23ff931","versionType":"git"},{"lessThan":"21af4c030567d2e6c89bb927bc18b51fba52a400","status":"affected","version":"81e675c227ec60a0bdcbb547dc530ebee23ff931","versionType":"git"},{"lessThan":"dad9ebf8107955bb54bd3f9cf22591b6ff37bac1","status":"affected","version":"81e675c227ec60…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5f3296a80f823c6c6fbd9eeaa0a9c99a6b601f22394898672863c823e292f480 · sha256:c67d902ce7629435… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/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:v2:5f3296a80f823c6c6fbd9eeaa0a9c99a6b601f22394898672863c823e292f480 · sha256:c67d902ce7629435… · /containers/cna/metrics/0/cvssV3_1

Source references

8 source assertions
{"url":"https://git.kernel.org/stable/c/21af4c030567d2e6c89bb927bc18b51fba52a400"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5f3296a80f823c6c6fbd9eeaa0a9c99a6b601f22394898672863c823e292f480 · sha256:c67d902ce7629435… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/7ad0e463fc7eafae2141cc38054264636f8b3e94"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5f3296a80f823c6c6fbd9eeaa0a9c99a6b601f22394898672863c823e292f480 · sha256:c67d902ce7629435… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/a27cb7325a6c69970041c7f8541fafed5a1ea3ec"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5f3296a80f823c6c6fbd9eeaa0a9c99a6b601f22394898672863c823e292f480 · sha256:c67d902ce7629435… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/bf8e8eac7ede51dc318e06acef5a896dcbba7595"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5f3296a80f823c6c6fbd9eeaa0a9c99a6b601f22394898672863c823e292f480 · sha256:c67d902ce7629435… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/d7a8fb6f10d55a1c37b0bf8c20cca24dffd76e00"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5f3296a80f823c6c6fbd9eeaa0a9c99a6b601f22394898672863c823e292f480 · sha256:c67d902ce7629435… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/dad9ebf8107955bb54bd3f9cf22591b6ff37bac1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5f3296a80f823c6c6fbd9eeaa0a9c99a6b601f22394898672863c823e292f480 · sha256:c67d902ce7629435… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/f438d1786d657d57790c5d138d6db3fc9fdac392"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5f3296a80f823c6c6fbd9eeaa0a9c99a6b601f22394898672863c823e292f480 · sha256:c67d902ce7629435… · /containers/cna/references/7
{"url":"https://git.kernel.org/stable/c/fcc4c043d137e7f1de4673dba1f3116e45377c67"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5f3296a80f823c6c6fbd9eeaa0a9c99a6b601f22394898672863c823e292f480 · sha256:c67d902ce7629435… · /containers/cna/references/6

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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