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CVE-2026-53040

In the Linux kernel, the following vulnerability has been resolved: ocfs2: validate bg_bits during freefrag scan [BUG] A crafted filesystem can trigger an out-of-bounds bitmap walk when OCFS2_IOC_INFO is issued with OCFS2_INFO_FL_NON_COHERENT. BUG: KASAN: use-after-free in instrument_atomic_read include/linux/instrumented.h:68 [inline] BUG: KASAN: use-after-free in _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline] BUG: KASAN: use-after-free in test_bit_le include/asm
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:ac45dd943d2a5d91167527c79d77ad7bf3531748427ec749930d72d7116568ea
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":"unaffected","product":"Linux","programFiles":["fs/ocfs2/ioctl.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"bb2906a1065ec28de021bac2ed03f2624edd7d07","status":"affected","version":"d24a10b9f8ed548981696cd36e2b4f16e6f360b1","versionType":"git"},{"lessThan":"3e167e230d19cd273108bab2e4c61800fc335ae8","status":"affected","version":"d24a10b9f8ed548981696cd36e2b4f16e6f360b1","versionType":"git"},{"lessThan":"0998674eec138c55e9e349b9cbd9dbc5129a9cc8","status":"affected","version":"d24a10b9f8ed548981696cd36e2b4…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:937192e42f07f30f78618e18a6c78151f0809cde2ea80f8720ea7a2982533d77 · sha256:9dadef5c85efcaf3… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["fs/ocfs2/ioctl.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"3.0"},{"lessThan":"3.0","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"},{"lessThanOrEqua…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:937192e42f07f30f78618e18a6c78151f0809cde2ea80f8720ea7a2982533d77 · sha256:9dadef5c85efcaf3… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/ocfs2/ioctl.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"bb2906a1065ec28de021bac2ed03f2624edd7d07","status":"affected","version":"d24a10b9f8ed548981696cd36e2b4f16e6f360b1","versionType":"git"},{"lessThan":"3e167e230d19cd273108bab2e4c61800fc335ae8","status":"affected","version":"d24a10b9f8ed548981696cd36e2b4f16e6f360b1","versionType":"git"},{"lessThan":"0998674eec138c55e9e349b9cbd9dbc5129a9cc8","status":"affected","version":"d24a10b9f8ed548981696cd36e2b4…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:937192e42f07f30f78618e18a6c78151f0809cde2ea80f8720ea7a2982533d77 · sha256:9dadef5c85efcaf3… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["fs/ocfs2/ioctl.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"3.0"},{"lessThan":"3.0","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"},{"lessThanOrEqua…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:937192e42f07f30f78618e18a6c78151f0809cde2ea80f8720ea7a2982533d77 · sha256:9dadef5c85efcaf3… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":7.1,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:937192e42f07f30f78618e18a6c78151f0809cde2ea80f8720ea7a2982533d77 · sha256:9dadef5c85efcaf3… · /containers/cna/metrics/0/cvssV3_1

Source references

8 source assertions
{"url":"https://git.kernel.org/stable/c/05d0cbea41167b6b061c6ba5b70ee5a9a7a24c9e"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:937192e42f07f30f78618e18a6c78151f0809cde2ea80f8720ea7a2982533d77 · sha256:9dadef5c85efcaf3… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/0998674eec138c55e9e349b9cbd9dbc5129a9cc8"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:937192e42f07f30f78618e18a6c78151f0809cde2ea80f8720ea7a2982533d77 · sha256:9dadef5c85efcaf3… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/3e167e230d19cd273108bab2e4c61800fc335ae8"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:937192e42f07f30f78618e18a6c78151f0809cde2ea80f8720ea7a2982533d77 · sha256:9dadef5c85efcaf3… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/4c2d62ddde8928db12f4608950b67a20e67deab2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:937192e42f07f30f78618e18a6c78151f0809cde2ea80f8720ea7a2982533d77 · sha256:9dadef5c85efcaf3… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/8f687eeed3da3012152b0f9473f578869de0cd7b"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:937192e42f07f30f78618e18a6c78151f0809cde2ea80f8720ea7a2982533d77 · sha256:9dadef5c85efcaf3… · /containers/cna/references/7
{"url":"https://git.kernel.org/stable/c/bb2906a1065ec28de021bac2ed03f2624edd7d07"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:937192e42f07f30f78618e18a6c78151f0809cde2ea80f8720ea7a2982533d77 · sha256:9dadef5c85efcaf3… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/bb3c54d1e71578521111f1a1ee7d5f4761a242b8"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:937192e42f07f30f78618e18a6c78151f0809cde2ea80f8720ea7a2982533d77 · sha256:9dadef5c85efcaf3… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/e0dcf12665d6dde37facf790803cdad44d5c328c"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:937192e42f07f30f78618e18a6c78151f0809cde2ea80f8720ea7a2982533d77 · sha256:9dadef5c85efcaf3… · /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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