CVE-2026-23372 (GCVE-0-2026-23372)

Vulnerability from cvelistv5 – Published: 2026-03-25 10:27 – Updated: 2026-04-18 08:58
VLAI?
Title
nfc: rawsock: cancel tx_work before socket teardown
Summary
In the Linux kernel, the following vulnerability has been resolved: nfc: rawsock: cancel tx_work before socket teardown In rawsock_release(), cancel any pending tx_work and purge the write queue before orphaning the socket. rawsock_tx_work runs on the system workqueue and calls nfc_data_exchange which dereferences the NCI device. Without synchronization, tx_work can race with socket and device teardown when a process is killed (e.g. by SIGKILL), leading to use-after-free or leaked references. Set SEND_SHUTDOWN first so that if tx_work is already running it will see the flag and skip transmitting, then use cancel_work_sync to wait for any in-progress execution to finish, and finally purge any remaining queued skbs.
Severity ?
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 23b7869c0fd08d73c9f83a2db88a13312d6198bb , < 9b2d23cd09e1cb56bdf0e4d5614703094159f16c (git)
Affected: 23b7869c0fd08d73c9f83a2db88a13312d6198bb , < cdeed45ce8c92defd057f7d67ee9a69374d8fa16 (git)
Affected: 23b7869c0fd08d73c9f83a2db88a13312d6198bb , < 3ae592ed91bb4b6b51df256b51045c13d2656049 (git)
Affected: 23b7869c0fd08d73c9f83a2db88a13312d6198bb , < 722a28b635ec281bb08a23885223526d8e7d6526 (git)
Affected: 23b7869c0fd08d73c9f83a2db88a13312d6198bb , < 78141b8832e16d80d09cbefb4258612db0777a24 (git)
Affected: 23b7869c0fd08d73c9f83a2db88a13312d6198bb , < edc988613def90c5b558e025b1b423f48007be06 (git)
Affected: 23b7869c0fd08d73c9f83a2db88a13312d6198bb , < da4515fc8263c5933ed605e396af91079806dc45 (git)
Affected: 23b7869c0fd08d73c9f83a2db88a13312d6198bb , < d793458c45df2aed498d7f74145eab7ee22d25aa (git)
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    Linux Linux Affected: 3.1
Unaffected: 0 , < 3.1 (semver)
Unaffected: 5.10.253 , ≤ 5.10.* (semver)
Unaffected: 5.15.203 , ≤ 5.15.* (semver)
Unaffected: 6.1.167 , ≤ 6.1.* (semver)
Unaffected: 6.6.130 , ≤ 6.6.* (semver)
Unaffected: 6.12.77 , ≤ 6.12.* (semver)
Unaffected: 6.18.17 , ≤ 6.18.* (semver)
Unaffected: 6.19.7 , ≤ 6.19.* (semver)
Unaffected: 7.0 , ≤ * (original_commit_for_fix)
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}


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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.