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CVE-2026-53319

In the Linux kernel, the following vulnerability has been resolved: blk-wbt: remove WARN_ON_ONCE from wbt_init_enable_default() wbt_init_enable_default() uses WARN_ON_ONCE to check for failures from wbt_alloc() and wbt_init(). However, both are expected failure paths: - wbt_alloc() can return NULL under memory pressure (-ENOMEM) - wbt_init() can fail with -EBUSY if wbt is already registered syzbot triggers this by injecting memory allocation failures during MTD partition creation via ioctl(B
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:5b79ff5987d800608d7fcc9eb3ddcd0467d2660661a341056f4d0f02927609e6
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":["block/blk-wbt.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"fd7a982657077469802594a5165bc30b9a55af70","status":"affected","version":"41afaeeda5099d9cd07eaa7dc6c3d20c6f1dd9e9","versionType":"git"},{"lessThan":"e9b004ff83067cdf96774b45aea4b239ace99a2f","status":"affected","version":"41afaeeda5099d9cd07eaa7dc6c3d20c6f1dd9e9","versionType":"git"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:69e0890192ea10e5a62ffafe79aa6b334572b2f284a9fc5612d9d17dbd27283d · sha256:9e5835283e3393fd… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["block/blk-wbt.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"7.0"},{"lessThan":"7.0","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.10","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:69e0890192ea10e5a62ffafe79aa6b334572b2f284a9fc5612d9d17dbd27283d · sha256:9e5835283e3393fd… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["block/blk-wbt.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"fd7a982657077469802594a5165bc30b9a55af70","status":"affected","version":"41afaeeda5099d9cd07eaa7dc6c3d20c6f1dd9e9","versionType":"git"},{"lessThan":"e9b004ff83067cdf96774b45aea4b239ace99a2f","status":"affected","version":"41afaeeda5099d9cd07eaa7dc6c3d20c6f1dd9e9","versionType":"git"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:69e0890192ea10e5a62ffafe79aa6b334572b2f284a9fc5612d9d17dbd27283d · sha256:9e5835283e3393fd… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["block/blk-wbt.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"7.0"},{"lessThan":"7.0","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.10","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:69e0890192ea10e5a62ffafe79aa6b334572b2f284a9fc5612d9d17dbd27283d · sha256:9e5835283e3393fd… · /containers/cna/affected/1

Source references

2 source assertions
{"url":"https://git.kernel.org/stable/c/e9b004ff83067cdf96774b45aea4b239ace99a2f"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:69e0890192ea10e5a62ffafe79aa6b334572b2f284a9fc5612d9d17dbd27283d · sha256:9e5835283e3393fd… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/fd7a982657077469802594a5165bc30b9a55af70"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:69e0890192ea10e5a62ffafe79aa6b334572b2f284a9fc5612d9d17dbd27283d · sha256:9e5835283e3393fd… · /containers/cna/references/0

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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