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CVE-2026-53321

In the Linux kernel, the following vulnerability has been resolved: io_uring/napi: cap busy_poll_to 10 msec Currently there's no cap on the maximum amount of time that napi is allowed to poll if no events are found, which can lead to kernel complaints on a task being stuck as there's no conditional rescheduling done within that loop. Just cap it to 10 msec in total, that's already way above any kind of sane value that will reap any benefits, yet low enough that it's nowhere near being able to
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:e4eb3cb8e3da47395cc4684e1d6bfddec95fc7fd9db38e9cf3444fdc189793e5
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":["io_uring/napi.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"39767f944a8c9e696566c37ad5b20131406c4b8d","status":"affected","version":"8d0c12a80cdeb80d5e0510e96d38fe551ed8e9b5","versionType":"git"},{"lessThan":"cb3af525f8dfb8930f0c123e5755fa967a12d5c1","status":"affected","version":"8d0c12a80cdeb80d5e0510e96d38fe551ed8e9b5","versionType":"git"},{"lessThan":"df8599ee18c0e5fe343ffe0b4c379636b8bb839a","status":"affected","version":"8d0c12a80cdeb80d5e0510e96d38fe…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ae317d94957c576677f62cd4079dc608663ac8de017272d28cfdbee512f6c548 · sha256:65d981b6e92e5962… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["io_uring/napi.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.9"},{"lessThan":"6.9","status":"unaffected","version":"0","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":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ae317d94957c576677f62cd4079dc608663ac8de017272d28cfdbee512f6c548 · sha256:65d981b6e92e5962… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["io_uring/napi.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"39767f944a8c9e696566c37ad5b20131406c4b8d","status":"affected","version":"8d0c12a80cdeb80d5e0510e96d38fe551ed8e9b5","versionType":"git"},{"lessThan":"cb3af525f8dfb8930f0c123e5755fa967a12d5c1","status":"affected","version":"8d0c12a80cdeb80d5e0510e96d38fe551ed8e9b5","versionType":"git"},{"lessThan":"df8599ee18c0e5fe343ffe0b4c379636b8bb839a","status":"affected","version":"8d0c12a80cdeb80d5e0510e96d38fe…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ae317d94957c576677f62cd4079dc608663ac8de017272d28cfdbee512f6c548 · sha256:65d981b6e92e5962… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["io_uring/napi.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.9"},{"lessThan":"6.9","status":"unaffected","version":"0","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":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ae317d94957c576677f62cd4079dc608663ac8de017272d28cfdbee512f6c548 · sha256:65d981b6e92e5962… · /containers/cna/affected/1

Source references

3 source assertions
{"url":"https://git.kernel.org/stable/c/39767f944a8c9e696566c37ad5b20131406c4b8d"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ae317d94957c576677f62cd4079dc608663ac8de017272d28cfdbee512f6c548 · sha256:65d981b6e92e5962… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/cb3af525f8dfb8930f0c123e5755fa967a12d5c1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ae317d94957c576677f62cd4079dc608663ac8de017272d28cfdbee512f6c548 · sha256:65d981b6e92e5962… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/df8599ee18c0e5fe343ffe0b4c379636b8bb839a"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ae317d94957c576677f62cd4079dc608663ac8de017272d28cfdbee512f6c548 · sha256:65d981b6e92e5962… · /containers/cna/references/2

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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