PT-2026-27738 · Linux · Linux Kernel

Published 2026-01-01 · Updated 2026-03-29 · CVE-2026-23373

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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

Description A flaw exists in the Linux kernel related to the RSI driver. Specifically, the rsi mac80211 config function incorrectly defaults to -EOPNOTSUPP, which causes a warning (WARN ON) within the ieee80211 hw conf init function. This behavior is unexpected, as other drivers typically default to 0.

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

Exploit

Related Identifiers

CVE-2026-23373

OPENSUSE-SU-2026:20826-1

SUSE-SU-2026:21841-1

SUSE-SU-2026:21845-1

SUSE-SU-2026:21860-1

SUSE-SU-2026:21876-1

SUSE-SU-2026:21877-1

SUSE-SU-2026:21916-1

SUSE-SU-2026:21919-1

SUSE-SU-2026:2217-1

SUSE-SU-2026:2238-1

Affected Products

Linux Kernel

References · 18

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/23xxx/CVE-2026-23373.json · Exploit
• https://ubuntu.com/security/CVE-2026-23373 · Vendor Advisory
• https://osv.dev/vulnerability/BELL-CVE-2026-23373 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-23373 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2026-23373 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2026-23373 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-23373 · Security Note
• https://git.kernel.org/stable/c/95ed07644b2c6119f706484b87b7f43e6133f3b5 · Patch
• https://git.kernel.org/stable/c/67d10e8db57ffc21f8177e9e884bbc743fdc0bae · Patch
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-23373 · Vendor Advisory
• https://git.kernel.org/stable/c/b64fbd718cf42feb75502bf25d0d16eb671aea45 · Patch
• https://git.kernel.org/stable/c/d973b1039ccde6b241b438d53297edce4de45b5c · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-23373 · Security Note
• https://twitter.com/CVEarity/status/2037566515130847320 · Twitter Post
• https://docs.bell-sw.com/security/cves/CVE-2026-23373 · Note