PT-2025-8352 · Linux+2 · Linux Kernel+2

Trond Myklebust · Published 2022-05-31 · Updated 2025-04-14 · CVE-2022-49418

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 vulnerability in the Linux kernel has been resolved, related to the NFSv4 protocol. The issue occurred during referral lookup, where an uninitialized nfs4 label was freed, causing a crash. The problem was fixed by sending the already-allocated fattr along with nfs4 fs locations and dropping the memcpy of fattr. This fix resolves a crash that occurred when the ls command was executed.

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

Exploit

Use of Uninitialized Resource

Weakness Enumeration

CWE-908

Related Identifiers

BDU:2026-03506

CVE-2022-49418

RHSA-2022:6003

RHSA-2022:7683

RHSA-2022:8267

SUSE-SU-2025:1027-1

SUSE-SU-2025:1176-1

SUSE-SU-2025:1183-1

SUSE-SU-2025:1241-1

SUSE-SU-2025_1027-1

SUSE-SU-2025_1241-1

Affected Products

Astra Linux

Linux Kernel

Suse

References · 1337

• 🔥 https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/local/cve_2022_0995_watch_queue.rb · Exploit
• 🔥 https://github.com/qazbnm456/awesome-cve-poc/blob/master/CVE-2017-5753.md · Exploit
• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49418.json · Exploit
• 🔥 https://github.com/Bonfee/CVE-2022-0995 · Exploit
• 🔥 https://github.com/TurtleARM/CVE-2023-0179-PoC · Exploit
• 🔥 https://github.com/H4K6/CVE-2023-0179-PoC · Exploit
• 🔥 https://github.com/EdwardOwusuAdjei/Spectre-PoC · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2022-49418 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2025:1183-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-49418 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2022-49418 · Vendor Advisory
• https://git.kernel.org/stable/c/c3ed222745d9ad7b69299b349a64ba533c64a34f · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:1176-1 · Vendor Advisory
• https://git.kernel.org/stable/c/6015292653d95ba9f72906e2b65e536aa5807d64 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:1241-1 · Vendor Advisory