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CVE-2026-23239

In the Linux kernel, the following vulnerability has been resolved: espintcp: Fix race condition in espintcp_close() This issue was discovered during a code audit. After cancel_work_sync() is called from espintcp_close(), espintcp_tx_work() can still be scheduled from paths such as the Delayed ACK handler or ksoftirqd. As a result, the espintcp_tx_work() worker may dereference a freed espintcp ctx or sk. The following is a simple race scenario: cpu0 cp
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:6d60e0560040c5cee6ca56397077e80a1af5e2cfc4208b001ce2b93788f0db48
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":"affected","product":"Linux","programFiles":["net/xfrm/espintcp.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.6"},{"lessThan":"5.6","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"},{"lessThanOrEqu…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f490dc6929a771e09251be38840c9261ce3ebc1a5a24128b00e2112a40786ed7 · sha256:66c98a50dd88ab1d… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/xfrm/espintcp.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"f7ad8b1d0e421c524604d5076b73232093490d5c","status":"affected","version":"e27cca96cd68fa2c6814c90f9a1cfd36bb68c593","versionType":"git"},{"lessThan":"664e9df53226b4505a0894817ecad2c610ab11d8","status":"affected","version":"e27cca96cd68fa2c6814c90f9a1cfd36bb68c593","versionType":"git"},{"lessThan":"022ff7f347588de6e17879a1da6019647b21321b","status":"affected","version":"e27cca96cd68fa2c6814c90f9a…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f490dc6929a771e09251be38840c9261ce3ebc1a5a24128b00e2112a40786ed7 · sha256:66c98a50dd88ab1d… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["net/xfrm/espintcp.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.6"},{"lessThan":"5.6","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"},{"lessThanOrEqu…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f490dc6929a771e09251be38840c9261ce3ebc1a5a24128b00e2112a40786ed7 · sha256:66c98a50dd88ab1d… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/xfrm/espintcp.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"f7ad8b1d0e421c524604d5076b73232093490d5c","status":"affected","version":"e27cca96cd68fa2c6814c90f9a1cfd36bb68c593","versionType":"git"},{"lessThan":"664e9df53226b4505a0894817ecad2c610ab11d8","status":"affected","version":"e27cca96cd68fa2c6814c90f9a1cfd36bb68c593","versionType":"git"},{"lessThan":"022ff7f347588de6e17879a1da6019647b21321b","status":"affected","version":"e27cca96cd68fa2c6814c90f9a…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f490dc6929a771e09251be38840c9261ce3ebc1a5a24128b00e2112a40786ed7 · sha256:66c98a50dd88ab1d… · /containers/cna/affected/0

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:f490dc6929a771e09251be38840c9261ce3ebc1a5a24128b00e2112a40786ed7 · sha256:66c98a50dd88ab1d… · /containers/cna/metrics/0/cvssV3_1

Source references

4 source assertions
{"url":"https://git.kernel.org/stable/c/022ff7f347588de6e17879a1da6019647b21321b"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f490dc6929a771e09251be38840c9261ce3ebc1a5a24128b00e2112a40786ed7 · sha256:66c98a50dd88ab1d… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/664e9df53226b4505a0894817ecad2c610ab11d8"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f490dc6929a771e09251be38840c9261ce3ebc1a5a24128b00e2112a40786ed7 · sha256:66c98a50dd88ab1d… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/e1512c1db9e8794d8d130addd2615ec27231d994"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f490dc6929a771e09251be38840c9261ce3ebc1a5a24128b00e2112a40786ed7 · sha256:66c98a50dd88ab1d… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/f7ad8b1d0e421c524604d5076b73232093490d5c"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f490dc6929a771e09251be38840c9261ce3ebc1a5a24128b00e2112a40786ed7 · sha256:66c98a50dd88ab1d… · /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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