PT-2025-18574 · Linux+1 · Linux Kernel+1

Published 2025-05-01 · Updated 2025-05-02 · CVE-2022-49857

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 memory leak issue has been identified in the Linux kernel, specifically in the prestera rxtx switch init() function. This occurs when prestera sdma switch init() fails, resulting in the memory pointed to by sw->rxtx not being released.

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

Exploit

Memory Leak

Weakness Enumeration

CWE-401

Related Identifiers

CVE-2022-49857

Affected Products

Astra Linux

Linux Kernel

References · 15

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49857.json · Exploit
• https://cve.org/CVERecord?id=CVE-2022-49857 · Security Note
• https://git.kernel.org/stable/c/409731df6310a33f4d0a3ef594d2410cdcd637f2 · Patch
• https://git.kernel.org/stable/c/5333cf1b7f6861912aff6263978d4781f9858e47 · Patch
• https://ubuntu.com/security/CVE-2022-49857 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-49857 · Security Note
• https://osv.dev/vulnerability/CVE-2022-49857 · Vendor Advisory
• https://git.kernel.org/stable/c/31e5084ac6876e52dbb0a1cc4fc18b6c79979f31 · Patch
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-49857 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2022-49857 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-49857 · Vendor Advisory
• https://git.kernel.org/stable/c/519b58bbfa825f042fcf80261cc18e1e35f85ffd · Patch
• https://git.kernel.org/linus/519b58bbfa825f042fcf80261cc18e1e35f85ffd · Note
• https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git · Note
• https://twitter.com/CVEnew/status/1917950864867889157 · Twitter Post