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CVE-2026-23091

intel_th: fix device leak on output open()

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 5.10.249, 5.15.199, 6.1.162, 6.6.122, 6.12.68, and 1 more
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

In the Linux kernel, the following vulnerability has been resolved: intel_th: fix device leak on output open() Make sure to drop the reference taken when looking up the th device during output device open() on errors and on close(). Note that a recent commit fixed the leak in a couple of open() error paths but not all of them, and the reference is still leaking on successful open().

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • Linux Linux

    From 39f4034693b7c7bd1fe4cb58c93259d600f55561 · fixed in af4b9467296b9a16ebc008147238070236982b6d; From 39f4034693b7c7bd1fe4cb58c93259d600f55561 · fixed in 64015cbf06e8bb75b81ae95b997e847b55280f7f; From 39f4034693b7c7bd1fe4cb58c93259d600f55561 · fixed in b71e64ef7ff9443835d1333e3e80ab1e49e5209f; From 39f4034693b7c7bd1fe4cb58c93259d600f55561 · fixed in bf7785434b5d05d940d936b78925080950bd54dd; From 39f4034693b7c7bd1fe4cb58c93259d600f55561 · fixed in 0fca16c5591534cc1fec8b6181277ee3a3d0f26c; From 39f4034693b7c7bd1fe4cb58c93259d600f55561 · fixed in f9b059bda4276f2bb72cb98ec7875a747f042ea2; From 39f4034693b7c7bd1fe4cb58c93259d600f55561 · fixed in 95fc36a234da24bbc5f476f8104a5a15f99ed3e3

  • Linux Linux

    4.4

  • KernelLinux

    From 4.4.0 · fixed in 5.10.249; From 5.11.0 · fixed in 5.15.199; From 5.16.0 · fixed in 6.1.162; From 6.2.0 · fixed in 6.6.122; From 6.7.0 · fixed in 6.12.68; From 6.13.0 · fixed in 6.18.8

References 7

git.kernel.org