CVE-2026-23091

intel_th: fix device leak on output open()

State: Published
Severity: Not scored
Published: Feb 4, 2026
Updated: Oct 19, 2026
Reserved: Jan 13, 2026

Description

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().

Scores

The record has no CVSS score.

Weaknesses

CWE-401 Missing Release of Memory after Effective Lifetime

Affected Products

Product	Versions
LinuxLinux	39f4034693b7c7bd1fe4cb58c93259d600f55561 to before af4b9467296b9a16ebc008147238070236982b6dAffected 39f4034693b7c7bd1fe4cb58c93259d600f55561 to before 64015cbf06e8bb75b81ae95b997e847b55280f7fAffected 39f4034693b7c7bd1fe4cb58c93259d600f55561 to before b71e64ef7ff9443835d1333e3e80ab1e49e5209fAffected 39f4034693b7c7bd1fe4cb58c93259d600f55561 to before bf7785434b5d05d940d936b78925080950bd54ddAffected 39f4034693b7c7bd1fe4cb58c93259d600f55561 to before 0fca16c5591534cc1fec8b6181277ee3a3d0f26cAffected 39f4034693b7c7bd1fe4cb58c93259d600f55561 to before f9b059bda4276f2bb72cb98ec7875a747f042ea2Affected 39f4034693b7c7bd1fe4cb58c93259d600f55561 to before 95fc36a234da24bbc5f476f8104a5a15f99ed3e3Affected
LinuxLinux	4.4Affected before 4.4Not affected 5.10.249 through 5.10.Not affected 5.15.199 through 5.15.Not affected 6.1.162 through 6.1.Not affected 6.6.122 through 6.6.Not affected 6.12.68 through 6.12.Not affected 6.18.8 through 6.18.Not affected 6.19 and laterNot affected

Product

Versions

LinuxLinux

39f4034693b7c7bd1fe4cb58c93259d600f55561 to before af4b9467296b9a16ebc008147238070236982b6dAffected
39f4034693b7c7bd1fe4cb58c93259d600f55561 to before 64015cbf06e8bb75b81ae95b997e847b55280f7fAffected
39f4034693b7c7bd1fe4cb58c93259d600f55561 to before b71e64ef7ff9443835d1333e3e80ab1e49e5209fAffected
39f4034693b7c7bd1fe4cb58c93259d600f55561 to before bf7785434b5d05d940d936b78925080950bd54ddAffected
39f4034693b7c7bd1fe4cb58c93259d600f55561 to before 0fca16c5591534cc1fec8b6181277ee3a3d0f26cAffected
39f4034693b7c7bd1fe4cb58c93259d600f55561 to before f9b059bda4276f2bb72cb98ec7875a747f042ea2Affected
39f4034693b7c7bd1fe4cb58c93259d600f55561 to before 95fc36a234da24bbc5f476f8104a5a15f99ed3e3Affected

LinuxLinux

4.4Affected
before 4.4Not affected
5.10.249 through 5.10.*Not affected
5.15.199 through 5.15.*Not affected
6.1.162 through 6.1.*Not affected
6.6.122 through 6.6.*Not affected
6.12.68 through 6.12.*Not affected
6.18.8 through 6.18.*Not affected
6.19 and laterNot affected

References

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