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CVE-2026-63988

In the Linux kernel, the following vulnerability has been resolved: bridge: Fix sleep in atomic context in sysfs path Since the start of the git history, brport_store() always acquired the bridge lock. Back then this decision made sense: The bridge lock protects the STP state of the bridge and its ports and at that time the function was only used by two STP related attributes (cost and priority). Nowadays, brport_store() processes a lot more attributes and most of them do not need the bridge
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:ce70645bf9b3de882a6f89cdba8b6fd10ae25b7d6f5d5d12678904a637b69ddc
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":["net/bridge/br_switchdev.c","net/bridge/br_sysfs_if.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"e976e3f2f2005c6267089a1a3b6344f234a59a55","status":"affected","version":"78cd408356fe3edbac66598772fd347bf3e32c1f","versionType":"git"},{"lessThan":"2f9cb30d97e45686f3119fff3b30f12259950910","status":"affected","version":"78cd408356fe3edbac66598772fd347bf3e32c1f","versionType":"git"},{"lessThan":"6d34594cc619d0d4b07d5afcad8b5984f3526dcf","status":"affected","ver…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1d1ba1777af0b51a173dc56750ba67e5c885628ef19be06db9ff8302fe4ec627 · sha256:dd08e911e944bd81… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["net/bridge/br_switchdev.c","net/bridge/br_sysfs_if.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.15"},{"lessThan":"6.15","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.35","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.12","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1d1ba1777af0b51a173dc56750ba67e5c885628ef19be06db9ff8302fe4ec627 · sha256:dd08e911e944bd81… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/bridge/br_switchdev.c","net/bridge/br_sysfs_if.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"e976e3f2f2005c6267089a1a3b6344f234a59a55","status":"affected","version":"78cd408356fe3edbac66598772fd347bf3e32c1f","versionType":"git"},{"lessThan":"2f9cb30d97e45686f3119fff3b30f12259950910","status":"affected","version":"78cd408356fe3edbac66598772fd347bf3e32c1f","versionType":"git"},{"lessThan":"6d34594cc619d0d4b07d5afcad8b5984f3526dcf","status":"affected","ver…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1d1ba1777af0b51a173dc56750ba67e5c885628ef19be06db9ff8302fe4ec627 · sha256:dd08e911e944bd81… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["net/bridge/br_switchdev.c","net/bridge/br_sysfs_if.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.15"},{"lessThan":"6.15","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.35","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.12","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1d1ba1777af0b51a173dc56750ba67e5c885628ef19be06db9ff8302fe4ec627 · sha256:dd08e911e944bd81… · /containers/cna/affected/1

Source references

3 source assertions
{"url":"https://git.kernel.org/stable/c/2f9cb30d97e45686f3119fff3b30f12259950910"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:1d1ba1777af0b51a173dc56750ba67e5c885628ef19be06db9ff8302fe4ec627 · sha256:dd08e911e944bd81… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/6d34594cc619d0d4b07d5afcad8b5984f3526dcf"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:1d1ba1777af0b51a173dc56750ba67e5c885628ef19be06db9ff8302fe4ec627 · sha256:dd08e911e944bd81… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/e976e3f2f2005c6267089a1a3b6344f234a59a55"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:1d1ba1777af0b51a173dc56750ba67e5c885628ef19be06db9ff8302fe4ec627 · sha256:dd08e911e944bd81… · /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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