intel_th: fix device leak on output open()
Published Feb 4, 2026
5.5
MEDIUMCVSS 3.1
EPSS 0.14%
Description
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().
Affected products
-
- Version StatusaffectedConstraints
- Version StatusaffectedConstraints
- Version StatusaffectedConstraints
- Version StatusaffectedConstraints
- Version StatusaffectedConstraints
- Version StatusaffectedConstraints
- Version StatusaffectedConstraints
- Version
-
- Version 4.4StatusaffectedConstraints-
- Version 0StatusunaffectedConstraints<4.4
- Version 5.10.249StatusunaffectedConstraints<=5.10.*
- Version 5.15.199StatusunaffectedConstraints<=5.15.*
- Version 6.1.162StatusunaffectedConstraints<=6.1.*
- Version 6.12.68StatusunaffectedConstraints<=6.12.*
- Version 6.18.8StatusunaffectedConstraints<=6.18.*
- Version 6.19StatusunaffectedConstraints<=*
- Version 6.6.122StatusunaffectedConstraints<=6.6.*
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Linux | Linux | unaffected |
| ||||||||||||||||||||||||||||||
| Linux | Linux | affected |
|
- ≥ 4.4 · < 5.10.249
- ≥ 5.11 · < 5.15.199
- ≥ 5.16 · < 6.1.162
- ≥ 6.2 · < 6.6.122
- ≥ 6.7 · < 6.12.68
- ≥ 6.13 · < 6.18.8
- 6.19
- 6.19
- 6.19
- 6.19
- 6.19
- 6.19
No data.
Red Hat Enterprise Linux 10
kernel
Not affected
Red Hat Enterprise Linux 6
kernel
Not affected
Red Hat Enterprise Linux 7
kernel
Not affected
Red Hat Enterprise Linux 7
kernel-rt
Not affected
Red Hat Enterprise Linux 8
kernel
Not affected
Red Hat Enterprise Linux 8
kernel-rt
Not affected
Red Hat Enterprise Linux 9
kernel
Not affected
Red Hat Enterprise Linux 9
kernel-rt
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 10 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 6 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel-rt | Not affected | n/a |
| Red Hat Enterprise Linux 8 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 8 | kernel-rt | Not affected | n/a |
| Red Hat Enterprise Linux 9 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 9 | kernel-rt | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
References (12)
- https://access.redhat.com/security/cve/CVE-2026-23091 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2436786 Issue Tracking
- https://git.kernel.org/stable/c/0fca16c5591534cc1fec8b6181277ee3a3d0f26c Patch
- https://git.kernel.org/stable/c/64015cbf06e8bb75b81ae95b997e847b55280f7f Patch
- https://git.kernel.org/stable/c/95fc36a234da24bbc5f476f8104a5a15f99ed3e3 Patch
- https://git.kernel.org/stable/c/af4b9467296b9a16ebc008147238070236982b6d Patch
- https://git.kernel.org/stable/c/b71e64ef7ff9443835d1333e3e80ab1e49e5209f Patch
- https://git.kernel.org/stable/c/bf7785434b5d05d940d936b78925080950bd54dd Patch
- https://git.kernel.org/stable/c/f9b059bda4276f2bb72cb98ec7875a747f042ea2 Patch
- https://lore.kernel.org/linux-cve-announce/2026020425-CVE-2026-23091-4580@gregkh/T
- https://nvd.nist.gov/vuln/detail/CVE-2026-23091
- https://www.cve.org/CVERecord?id=CVE-2026-23091
Change history (0)
No recorded changes yet.