PT-2025-8382 · Linux+2 · Linux Kernel+2

Qintaoshen · Published 2025-02-26 · Updated 2025-04-14 · CVE-2022-49448

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 potential null pointer dereference issue exists due to the failure of allocation by devm kzalloc(). If devm kzalloc() returns NULL, subsequent lines of code, including those accessing pd->pmb, may cause a null pointer dereference. Checking the return value of devm kzalloc() can help avoid this issue.

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

Exploit

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2022-49448

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 · 2805

• 🔥 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-2022-49448.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://bdu.fstec.ru/vul/2025-10249 · Security Note
• https://bdu.fstec.ru/vul/2025-04335 · Security Note
• https://ubuntu.com/security/CVE-2022-49448 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-02626 · Security Note
• https://bdu.fstec.ru/vul/2025-06551 · Security Note
• https://bdu.fstec.ru/vul/2025-06301 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2022-49448 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:1183-1 · Vendor Advisory