PT-2025-38345 · Linux · Linux Kernel

Published 2025-09-18 · Updated 2026-04-20 · CVE-2022-50397

Positive Technologies (AI Summary)

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

Description The Linux kernel contains an issue where zero-sized raw sendmsg() calls are not properly rejected in the ieee802154 socket. This can lead to a skb assert len() warning during message transmission. The issue is related to a commit that addresses a similar problem in af packet sockets.

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

Related Identifiers

CVE-2022-50397

Affected Products

Linux Kernel

References · 16

• https://ubuntu.com/security/CVE-2022-50397 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-50397 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-UBUNTU-2404-CVE-2022-50397 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-50397 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2022-50397 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-UBUNTU-2204-CVE-2022-50397 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2022-50397 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-50397 · Vendor Advisory
• https://twitter.com/CVEnew/status/1968923607502835847 · Twitter Post
• https://git.kernel.org/stable/c/3a4d061c699bd3eedc80dc97a4b2a2e1af83c6f5 · Note
• https://git.kernel.org/stable/c/55043e109f435472b0663fa2a4df1cc308a978ad · Note
• https://git.kernel.org/stable/c/51d4260585cf36106d29dcefeafa09d9cd5972cf · Note
• https://git.kernel.org/stable/c/77bfd26cbb61a9f49ecb83729f0fd1352c17ddd8 · Note
• https://git.kernel.org/linus/3a4d061c699bd3eedc80dc97a4b2a2e1af83c6f5 · Note
• https://git.kernel.org/stable/c/67cb80a9d2c83edac0e42aaa91ed4dd527cec284 · Note