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CVE-2026-64253

In the Linux kernel, the following vulnerability has been resolved: kernel/fork: clear PF_BLOCK_TS in copy_process() PF_BLOCK_TS is only set in blk_time_get_ns() when current->plug is non-NULL, and blk_finish_plug() clears it via __blk_flush_plug() before NULLing the plug pointer. copy_process() breaks the invariant by inheriting PF_BLOCK_TS from the parent while resetting the child's plug to NULL. Clear PF_BLOCK_TS alongside that assignment so callers can rely on "PF_BLOCK_TS set implies cu
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:e190235c98f503bf54d70bb9f4da7f36c4a9d7d91d3dcbbe8852ff54a1304a87
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":["kernel/fork.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"ee0801aceabdf583392477baf69a290b09448b8f","status":"affected","version":"06b23f92af87a84d70881b2ecaa72e00f7838264","versionType":"git"},{"lessThan":"99e6c712cc300883b8cbf03347d5359ec1a4d6dd","status":"affected","version":"06b23f92af87a84d70881b2ecaa72e00f7838264","versionType":"git"},{"lessThan":"77bba61a20f1b3d206f4f90e10a7bb3cd90b9619","status":"affected","version":"06b23f92af87a84d70881b2ecaa72e00…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:c72980035d2558f155d9bc31c424e5b019ce6dff71137f3bb223e763541e33ca · sha256:2821683f624dcad8… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["kernel/fork.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":"6.12.*","status":"unaffected","version":"6.12.95","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.38","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.3","versionType":"semver"},{"lessThanOrEqual":"*",…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:c72980035d2558f155d9bc31c424e5b019ce6dff71137f3bb223e763541e33ca · sha256:2821683f624dcad8… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["kernel/fork.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"ee0801aceabdf583392477baf69a290b09448b8f","status":"affected","version":"06b23f92af87a84d70881b2ecaa72e00f7838264","versionType":"git"},{"lessThan":"99e6c712cc300883b8cbf03347d5359ec1a4d6dd","status":"affected","version":"06b23f92af87a84d70881b2ecaa72e00f7838264","versionType":"git"},{"lessThan":"77bba61a20f1b3d206f4f90e10a7bb3cd90b9619","status":"affected","version":"06b23f92af87a84d70881b2ecaa72e00…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:c72980035d2558f155d9bc31c424e5b019ce6dff71137f3bb223e763541e33ca · sha256:2821683f624dcad8… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["kernel/fork.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":"6.12.*","status":"unaffected","version":"6.12.95","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.38","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.3","versionType":"semver"},{"lessThanOrEqual":"*",…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:c72980035d2558f155d9bc31c424e5b019ce6dff71137f3bb223e763541e33ca · sha256:2821683f624dcad8… · /containers/cna/affected/1

Source references

4 source assertions
{"url":"https://git.kernel.org/stable/c/77bba61a20f1b3d206f4f90e10a7bb3cd90b9619"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c72980035d2558f155d9bc31c424e5b019ce6dff71137f3bb223e763541e33ca · sha256:2821683f624dcad8… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/99e6c712cc300883b8cbf03347d5359ec1a4d6dd"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c72980035d2558f155d9bc31c424e5b019ce6dff71137f3bb223e763541e33ca · sha256:2821683f624dcad8… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/ee0801aceabdf583392477baf69a290b09448b8f"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c72980035d2558f155d9bc31c424e5b019ce6dff71137f3bb223e763541e33ca · sha256:2821683f624dcad8… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/fd38b75c4b43295b10d69772a46d1c74dbd6fc81"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c72980035d2558f155d9bc31c424e5b019ce6dff71137f3bb223e763541e33ca · sha256:2821683f624dcad8… · /containers/cna/references/3

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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