PT-2025-8614 · Linux+1 · Linux Kernel+1

Liang He · Published 2022-06-18 · Updated 2025-02-27 · CVE-2022-49681

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 refcount leak bug was found in the setup function of the xtfpga driver in the Linux kernel. The issue occurs because the of find compatible node() function returns a node pointer with an incremented refcount, which should be decremented using of node put() when it is no longer used.

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

Exploit

Weakness Enumeration

CWE-911

CWE-664

Related Identifiers

BDU:2026-02625

CVE-2022-49681

Affected Products

Astra Linux

Linux Kernel

References · 28

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49681.json · Exploit
• https://git.kernel.org/stable/c/35d7e961be68732eb3acaeba81fb81ca16eafd05 · Patch
• https://ubuntu.com/security/CVE-2022-49681 · Vendor Advisory
• https://git.kernel.org/stable/c/6c0839cf1b9e1b3c88da6af76794583cbfae8da3 · Patch
• https://git.kernel.org/stable/c/b12d5c52f073a0420622aaf2f21b615cce8b36cc · Patch
• https://git.kernel.org/stable/c/0162451723178602c37f0555d235dfa17e486112 · Patch
• https://cve.org/CVERecord?id=CVE-2022-49681 · Security Note
• https://git.kernel.org/stable/c/0715d0e60052662c3f225342062f174dd721d1c7 · Patch
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-49681 · Vendor Advisory
• https://git.kernel.org/stable/c/9b30c5c8884eda3f541229899671cebbad15979b · Patch
• https://osv.dev/vulnerability/CVE-2022-49681 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2022-49681 · Vendor Advisory
• https://git.kernel.org/stable/c/a52972ee706b438302eb0350e61f378eb191e3d1 · Patch
• https://git.kernel.org/stable/c/173940b3ae40114d4179c251a98ee039dc9cd5b3 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2022-49681 · Security Note