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ALSA: pcm: Move rwsem lock inside snd_ctl_elem_read to prevent UAF

🗓️ 10 Apr 2023 02:03:40Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 2 Views

Move the read-write semaphore lock into snd_ctl_elem_read to prevent information leak from use-after-free.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8x86_64redhat-virtualization-host-image-update4.5.3-202304051438_8.6redhat-virtualization-host-image-update-4.5.3-202304051438_8.6.x86_64.rpm

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28 Jun 2026 12:38Current
6.6Medium risk
Vulners AI Score6.6
CVSS 3.17 - 7.9
EPSS0.03702
SSVC
2