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CVE-2026-52961

In the Linux kernel, the following vulnerability has been resolved: ceph: fix BUG_ON in __ceph_build_xattrs_blob() due to stale blob size The generic/642 test-case can reproduce the kernel crash: [40243.605254] ------------[ cut here ]------------ [40243.605956] kernel BUG at fs/ceph/xattr.c:918! [40243.607142] Oops: invalid opcode: 0000 [#1] SMP PTI [40243.608067] CPU: 7 UID: 0 PID: 498762 Comm: kworker/7:1 Not tainted 7.0.0-rc7+ #3 PREEMPT(full) [40243.609700] Hardware name: QEMU Ubuntu 25.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:b0eb8875d880ff226db91af0eba4ddb7448f440404fe1d2d8e7dea40a16870c0
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/ceph/xattr.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"7eb72425c4e3234926502eb262f9d6193ccd572c","status":"affected","version":"d93231a6bc8a452323d5fef16cca7107ce483a27","versionType":"git"},{"lessThan":"d5bd8b4e39cfa8b087448adcd48088065cd629d5","status":"affected","version":"d93231a6bc8a452323d5fef16cca7107ce483a27","versionType":"git"},{"lessThan":"368d21ae9081c93497b1c8163bed3eddcb2443ff","status":"affected","version":"d93231a6bc8a452323d5fef16cca71…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:dd222dd5f321004f217ad25f51cb6b05b2e907bdf19185e4fedb15ba8f4f02df · sha256:4c0a006c4c17d394… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["fs/ceph/xattr.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.0"},{"lessThan":"6.0","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.91","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.33","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.10","versionType":"semver"},{"lessThanOrEqual":"…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:dd222dd5f321004f217ad25f51cb6b05b2e907bdf19185e4fedb15ba8f4f02df · sha256:4c0a006c4c17d394… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/ceph/xattr.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"7eb72425c4e3234926502eb262f9d6193ccd572c","status":"affected","version":"d93231a6bc8a452323d5fef16cca7107ce483a27","versionType":"git"},{"lessThan":"d5bd8b4e39cfa8b087448adcd48088065cd629d5","status":"affected","version":"d93231a6bc8a452323d5fef16cca7107ce483a27","versionType":"git"},{"lessThan":"368d21ae9081c93497b1c8163bed3eddcb2443ff","status":"affected","version":"d93231a6bc8a452323d5fef16cca71…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:dd222dd5f321004f217ad25f51cb6b05b2e907bdf19185e4fedb15ba8f4f02df · sha256:4c0a006c4c17d394… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["fs/ceph/xattr.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.0"},{"lessThan":"6.0","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.91","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.33","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.10","versionType":"semver"},{"lessThanOrEqual":"…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:dd222dd5f321004f217ad25f51cb6b05b2e907bdf19185e4fedb15ba8f4f02df · sha256:4c0a006c4c17d394… · /containers/cna/affected/1

Source references

4 source assertions
{"url":"https://git.kernel.org/stable/c/0c22d9511cbde746622f8e4c11aaa63fe76d45f9"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:dd222dd5f321004f217ad25f51cb6b05b2e907bdf19185e4fedb15ba8f4f02df · sha256:4c0a006c4c17d394… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/368d21ae9081c93497b1c8163bed3eddcb2443ff"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:dd222dd5f321004f217ad25f51cb6b05b2e907bdf19185e4fedb15ba8f4f02df · sha256:4c0a006c4c17d394… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/7eb72425c4e3234926502eb262f9d6193ccd572c"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:dd222dd5f321004f217ad25f51cb6b05b2e907bdf19185e4fedb15ba8f4f02df · sha256:4c0a006c4c17d394… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/d5bd8b4e39cfa8b087448adcd48088065cd629d5"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:dd222dd5f321004f217ad25f51cb6b05b2e907bdf19185e4fedb15ba8f4f02df · sha256:4c0a006c4c17d394… · /containers/cna/references/1

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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