PT-2025-8221 · Linux+2 · Linux Kernel+2

Pablo Neira Ayuso · Published 2022-03-17 · Updated 2025-04-16 · CVE-2022-49293

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. The issue is related to the netfilter nf tables, where registers were not initialized in the nft do chain() function, potentially leading to a stack leak into userspace.

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

Exploit

Improper Initialization

Weakness Enumeration

CWE-665

Related Identifiers

BDU:2026-03670

CVE-2022-49293

OPENSUSE-SU-2025_1195-1

OPENSUSE-SU-2025_1263-1

SUSE-SU-2025:1176-1

SUSE-SU-2025:1183-1

SUSE-SU-2025:1194-1

SUSE-SU-2025:1195-1

SUSE-SU-2025:1241-1

SUSE-SU-2025:1263-1

SUSE-SU-2025:1293-1

SUSE-SU-2025_1195-1

SUSE-SU-2025_1241-1

SUSE-SU-2025_1263-1

SUSE-SU-2025_1293-1

Affected Products

Astra Linux

Linux Kernel

Suse

References · 1505

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49293.json · Exploit
• https://osv.dev/vulnerability/SUSE-SU-2025:1263-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-49293 · Security Note
• https://git.kernel.org/stable/c/2c74374c2e88c7b7992bf808d9f9391f7452f9d9 · Patch
• https://git.kernel.org/stable/c/4d28522acd1c4415c85f6b33463713a268f68965 · Patch
• https://git.kernel.org/stable/c/dd03640529204ef4b8189fbdea08217d8d98271f · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:1293-1 · Vendor Advisory
• https://git.kernel.org/stable/c/a3cc32863b175168283cb0a5fde08de6a1e27df9 · Patch
• https://git.kernel.org/stable/c/64f24c76dd0ce53d0fa3a0bfb9aeea507c769485 · Patch
• https://ubuntu.com/security/CVE-2022-49293 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:1241-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-49293 · Vendor Advisory
• https://git.kernel.org/stable/c/06f0ff82c70241a766a811ae1acf07d6e2734dcb · Patch
• https://git.kernel.org/stable/c/88791b79a1eb2ba94e95d039243e28433583a67b · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:1194-1 · Vendor Advisory