CVE-2026-46262In the Linux kernel, the following vulnerability has been resolved: ASoC: fsl_xcvr: Revert fix missing lock in fsl_xcvr_mode_put() This reverts commit f51424872760 ("ASoC: fsl_xcvr: fix missing lock…
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In the Linux kernel, the following vulnerability has been resolved: ASoC: fsl_xcvr: Revert fix missing lock in fsl_xcvr_mode_put() This reverts commit f51424872760 ("ASoC: fsl_xcvr: fix missing lock in fsl_xcvr_mode_put()"). The original patch attempted to acquire the card->controls_rwsem lock in fsl_xcvr_mode_put(). However, this function is called from the upper ALSA core function snd_ctl_elem_write(), which already holds the write lock on controls_rwsem for the whole put operation. So there is no need to simply hold the lock for fsl_xcvr_activate_ctl() again. Acquiring the read lock while holding the write lock in the same thread results in a deadlock and a hung task, as reported by Alexander Stein.
- CVSS
- 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- CWE-667
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Jul 22, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
linux linux_kernel linux:linux_kernel | from 6.19.1 before 6.19.4; 5.15.201; 6.1.164; 6.6.127; 6.12.74; 6.18.13; 6.19 | NVD |
References
- https://git.kernel.org/stable/c/0886dc6326c3cc596799c4340d342898301cf52apatch
- https://git.kernel.org/stable/c/29b2fbe3498da3681a01b34e4a2259f8a1b89448patch
- https://git.kernel.org/stable/c/30ffcad5edb56947dccc26f6816ab7a55b21a711patch
- https://git.kernel.org/stable/c/9a2a5da002775376498e8814df4a87cd629a3a0cpatch
- https://git.kernel.org/stable/c/9f16d96e1222391a6b996a1b676bec14fb91e3b2patch
- https://git.kernel.org/stable/c/ae5a70e3e87c28edbaf9939cfef1bcbd9615420fpatch
- https://git.kernel.org/stable/c/b0f74f5d24fe3c73ef1369a811891198b54c1e8epatch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.