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CVE-2026-52914

In the Linux kernel, the following vulnerability has been resolved: batman-adv: fix fragment reassembly length accounting batman-adv keeps a running payload length for queued fragments and uses it to validate a fragment chain before reassembly. That accounting currently allows the accumulated fragment length to be truncated during updates. As a result, malformed fragment chains can bypass the intended validation and drive reassembly with inconsistent length state, leading to a local denial of
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:5c1779e68b206a95aa3459f9546a0961a4f4019c5cbf8ef9f3436f8edf719d92
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/batman-adv/fragmentation.c","net/batman-adv/types.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"3.13"},{"lessThan":"3.13","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"…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:25dcb9c2af75f5ab58381cfb7f6a7b20ab4115291e78abd10cb765c2fc8fd022 · sha256:80fc59a4d078726d… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/batman-adv/fragmentation.c","net/batman-adv/types.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"e4f3f6b818aa6a678bc54a2d4e0bece2303c6a64","status":"affected","version":"610bfc6bc99bc83680d190ebc69359a05fc7f605","versionType":"git"},{"lessThan":"37be61825b15534a16ff9cfc9546de155b6df982","status":"affected","version":"610bfc6bc99bc83680d190ebc69359a05fc7f605","versionType":"git"},{"lessThan":"975563c5de1123dde1ec7946bf5556d20c89d74e","status":"affected","…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:25dcb9c2af75f5ab58381cfb7f6a7b20ab4115291e78abd10cb765c2fc8fd022 · sha256:80fc59a4d078726d… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["net/batman-adv/fragmentation.c","net/batman-adv/types.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"3.13"},{"lessThan":"3.13","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"…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:25dcb9c2af75f5ab58381cfb7f6a7b20ab4115291e78abd10cb765c2fc8fd022 · sha256:80fc59a4d078726d… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/batman-adv/fragmentation.c","net/batman-adv/types.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"e4f3f6b818aa6a678bc54a2d4e0bece2303c6a64","status":"affected","version":"610bfc6bc99bc83680d190ebc69359a05fc7f605","versionType":"git"},{"lessThan":"37be61825b15534a16ff9cfc9546de155b6df982","status":"affected","version":"610bfc6bc99bc83680d190ebc69359a05fc7f605","versionType":"git"},{"lessThan":"975563c5de1123dde1ec7946bf5556d20c89d74e","status":"affected","…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:25dcb9c2af75f5ab58381cfb7f6a7b20ab4115291e78abd10cb765c2fc8fd022 · sha256:80fc59a4d078726d… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"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:v2:25dcb9c2af75f5ab58381cfb7f6a7b20ab4115291e78abd10cb765c2fc8fd022 · sha256:80fc59a4d078726d… · /containers/cna/metrics/0/cvssV3_1

Source references

8 source assertions
{"url":"https://git.kernel.org/stable/c/37be61825b15534a16ff9cfc9546de155b6df982"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:25dcb9c2af75f5ab58381cfb7f6a7b20ab4115291e78abd10cb765c2fc8fd022 · sha256:80fc59a4d078726d… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/3eb8bcb823391bd58997831b3c9c152a4ba8e255"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:25dcb9c2af75f5ab58381cfb7f6a7b20ab4115291e78abd10cb765c2fc8fd022 · sha256:80fc59a4d078726d… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/975563c5de1123dde1ec7946bf5556d20c89d74e"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:25dcb9c2af75f5ab58381cfb7f6a7b20ab4115291e78abd10cb765c2fc8fd022 · sha256:80fc59a4d078726d… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/9cd3f16c320bfdadd4509358122368deb56a5741"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:25dcb9c2af75f5ab58381cfb7f6a7b20ab4115291e78abd10cb765c2fc8fd022 · sha256:80fc59a4d078726d… · /containers/cna/references/7
{"url":"https://git.kernel.org/stable/c/e4f3f6b818aa6a678bc54a2d4e0bece2303c6a64"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:25dcb9c2af75f5ab58381cfb7f6a7b20ab4115291e78abd10cb765c2fc8fd022 · sha256:80fc59a4d078726d… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/e910dbf509125fe51ad68e4fa74dc8ab0a8e787a"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:25dcb9c2af75f5ab58381cfb7f6a7b20ab4115291e78abd10cb765c2fc8fd022 · sha256:80fc59a4d078726d… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/f653b040dad1af70fa5cd4fe085e4758925480c9"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:25dcb9c2af75f5ab58381cfb7f6a7b20ab4115291e78abd10cb765c2fc8fd022 · sha256:80fc59a4d078726d… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/fdb2c96efb2baeb3725e9ce3ede8f1e36f5490f0"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:25dcb9c2af75f5ab58381cfb7f6a7b20ab4115291e78abd10cb765c2fc8fd022 · sha256:80fc59a4d078726d… · /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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