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CVE-2026-23240

In the Linux kernel, the following vulnerability has been resolved: tls: Fix race condition in tls_sw_cancel_work_tx() This issue was discovered during a code audit. After cancel_delayed_work_sync() is called from tls_sk_proto_close(), tx_work_handler() can still be scheduled from paths such as the Delayed ACK handler or ksoftirqd. As a result, the tx_work_handler() worker may dereference a freed TLS object. The following is a simple race scenario: cpu0 cpu
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:80cca632f2b657ec03cd9125cc35ff937a8ce46c3642b34f4a9eda208c9bb823
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/tls/tls_sw.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"a5de36d6cee74a92c1a21b260bc507e64bc451de","status":"affected","version":"f87e62d45e51b12d48d2cb46b5cde8f83b866bc4","versionType":"git"},{"lessThan":"854cd32bc74fe573353095e90958490e4e4d641b","status":"affected","version":"f87e62d45e51b12d48d2cb46b5cde8f83b866bc4","versionType":"git"},{"lessThan":"17153f154f80be2b47ebf52840f2d8f724eb2f3b","status":"affected","version":"f87e62d45e51b12d48d2cb46b5cde…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:d2e3b493c54c37ca2b7a0946f84c0a8b22f3b59b0ba0f03f33a256aaa781ca46 · sha256:bcd9e9c6df738a8d… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["net/tls/tls_sw.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.3"},{"lessThan":"5.3","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.75","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.16","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.6","versionType":"semver"},{"lessThanOrEqual"…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:d2e3b493c54c37ca2b7a0946f84c0a8b22f3b59b0ba0f03f33a256aaa781ca46 · sha256:bcd9e9c6df738a8d… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/tls/tls_sw.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"a5de36d6cee74a92c1a21b260bc507e64bc451de","status":"affected","version":"f87e62d45e51b12d48d2cb46b5cde8f83b866bc4","versionType":"git"},{"lessThan":"854cd32bc74fe573353095e90958490e4e4d641b","status":"affected","version":"f87e62d45e51b12d48d2cb46b5cde8f83b866bc4","versionType":"git"},{"lessThan":"17153f154f80be2b47ebf52840f2d8f724eb2f3b","status":"affected","version":"f87e62d45e51b12d48d2cb46b5cde…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:d2e3b493c54c37ca2b7a0946f84c0a8b22f3b59b0ba0f03f33a256aaa781ca46 · sha256:bcd9e9c6df738a8d… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["net/tls/tls_sw.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.3"},{"lessThan":"5.3","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.75","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.16","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.6","versionType":"semver"},{"lessThanOrEqual"…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:d2e3b493c54c37ca2b7a0946f84c0a8b22f3b59b0ba0f03f33a256aaa781ca46 · sha256:bcd9e9c6df738a8d… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":9.8,"baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/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:d2e3b493c54c37ca2b7a0946f84c0a8b22f3b59b0ba0f03f33a256aaa781ca46 · sha256:bcd9e9c6df738a8d… · /containers/cna/metrics/0/cvssV3_1

Source references

4 source assertions
{"url":"https://git.kernel.org/stable/c/17153f154f80be2b47ebf52840f2d8f724eb2f3b"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d2e3b493c54c37ca2b7a0946f84c0a8b22f3b59b0ba0f03f33a256aaa781ca46 · sha256:bcd9e9c6df738a8d… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/7bb09315f93dce6acc54bf59e5a95ba7365c2be4"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d2e3b493c54c37ca2b7a0946f84c0a8b22f3b59b0ba0f03f33a256aaa781ca46 · sha256:bcd9e9c6df738a8d… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/854cd32bc74fe573353095e90958490e4e4d641b"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d2e3b493c54c37ca2b7a0946f84c0a8b22f3b59b0ba0f03f33a256aaa781ca46 · sha256:bcd9e9c6df738a8d… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/a5de36d6cee74a92c1a21b260bc507e64bc451de"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d2e3b493c54c37ca2b7a0946f84c0a8b22f3b59b0ba0f03f33a256aaa781ca46 · sha256:bcd9e9c6df738a8d… · /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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