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CVE-2026-64027

In the Linux kernel, the following vulnerability has been resolved: net: shaper: rework the VALID marking (again) Recent commit changed the semantics from NOT_VALID to VALID. I didn't realize that the flags are not stored atomically with the entry in XArray. There's still a race of reader observing a VALID mark for a slot, getting interrupted, writer replacing the entry with a different one, reader continuing, fetching the entry which is now a different pointer than the pointer for which VALID
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:34811c740db46ee7635d7e37ff0416b4b8065d34841a564ad42ce3253fbbeb1e
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":["include/net/net_shaper.h","net/shaper/shaper.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"2417df5e7bb4184b9d3a2988036bf2c46e594545","status":"affected","version":"93954b40f6a4fc43226c01a15b02732f884500f1","versionType":"git"},{"lessThan":"96ea960dd40fd55302e0fd755176f26a95e6a50c","status":"affected","version":"93954b40f6a4fc43226c01a15b02732f884500f1","versionType":"git"},{"lessThan":"b8d7519352ba8c6df83259295d4a3bad093cae90","status":"affected","version":…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cec2cc7ce699f1fc4fe59dd2dcc7c185c81034fa6aecb4ef85ef699c3cf7b25b · sha256:02983231bdec615a… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["include/net/net_shaper.h","net/shaper/shaper.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.13"},{"lessThan":"6.13","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.34","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.11","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"origi…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cec2cc7ce699f1fc4fe59dd2dcc7c185c81034fa6aecb4ef85ef699c3cf7b25b · sha256:02983231bdec615a… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["include/net/net_shaper.h","net/shaper/shaper.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"2417df5e7bb4184b9d3a2988036bf2c46e594545","status":"affected","version":"93954b40f6a4fc43226c01a15b02732f884500f1","versionType":"git"},{"lessThan":"96ea960dd40fd55302e0fd755176f26a95e6a50c","status":"affected","version":"93954b40f6a4fc43226c01a15b02732f884500f1","versionType":"git"},{"lessThan":"b8d7519352ba8c6df83259295d4a3bad093cae90","status":"affected","version":…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cec2cc7ce699f1fc4fe59dd2dcc7c185c81034fa6aecb4ef85ef699c3cf7b25b · sha256:02983231bdec615a… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["include/net/net_shaper.h","net/shaper/shaper.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.13"},{"lessThan":"6.13","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.34","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.11","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"origi…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cec2cc7ce699f1fc4fe59dd2dcc7c185c81034fa6aecb4ef85ef699c3cf7b25b · sha256:02983231bdec615a… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:cec2cc7ce699f1fc4fe59dd2dcc7c185c81034fa6aecb4ef85ef699c3cf7b25b · sha256:02983231bdec615a… · /containers/cna/metrics/0/cvssV3_1

Source references

3 source assertions
{"url":"https://git.kernel.org/stable/c/2417df5e7bb4184b9d3a2988036bf2c46e594545"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:cec2cc7ce699f1fc4fe59dd2dcc7c185c81034fa6aecb4ef85ef699c3cf7b25b · sha256:02983231bdec615a… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/96ea960dd40fd55302e0fd755176f26a95e6a50c"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:cec2cc7ce699f1fc4fe59dd2dcc7c185c81034fa6aecb4ef85ef699c3cf7b25b · sha256:02983231bdec615a… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/b8d7519352ba8c6df83259295d4a3bad093cae90"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:cec2cc7ce699f1fc4fe59dd2dcc7c185c81034fa6aecb4ef85ef699c3cf7b25b · sha256:02983231bdec615a… · /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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