PT-2025-7973 · Linux · Linux Kernel

Published 2025-02-26 · Updated 2025-03-08 · CVE-2022-49045

Positive Technologies (AI Summary)

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description The issue is related to missing validation of the silence field in the pcm format data struct within the pcm formats array. This leads to a null pointer dereference error, as reported by Syzbot. The problem arises from the lack of proper testing for valid pat values, which can cause the error when attempting to set silence.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Related Identifiers

CVE-2022-49045

Affected Products

Linux Kernel

References · 16

• https://nvd.nist.gov/vuln/detail/CVE-2022-49045 · Security Note
• https://cve.org/CVERecord?id=CVE-2022-49045 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-49045 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-49045 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2022-49045 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-49045 · Vendor Advisory
• https://git.kernel.org/linus/2f7a26abb8241a0208c68d22815aa247c5ddacab · Note
• https://git.kernel.org/stable/c/2f7a26abb8241a0208c68d22815aa247c5ddacab · Note
• https://git.kernel.org/stable/c/377a80ca6590f40ec8a85227b889a5d399fe26c3 · Note
• https://twitter.com/CVEnew/status/1898276741803827406 · Twitter Post
• https://git.kernel.org/stable/c/63038f6e96a77a0abf8083649c53e6a72c1a0124 · Note
• https://git.kernel.org/stable/c/eb04e3112a3516e483d60a9af9762961702a6c1b · Note
• https://git.kernel.org/stable/c/c3b2f23bfe5452b00eb1c842bc71098449e4ad9f · Note
• https://git.kernel.org/stable/c/912797e54c99a98f0722f21313e13a3938bb6dba · Note
• https://git.kernel.org/stable/c/97345c90235b1bb7661e7a428d9dcb96b1d7f5d4 · Note