PT-2025-8270 · Linux+2 · Linux Kernel+2

Guido Günther + 2 · Published 2022-04-06 · Updated 2025-04-14 · CVE-2022-49336

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 resolved issue in the Linux kernel involves the etnaviv iommu unmap gem function. When a mapping is already reaped, the unmap function must be a no-op to prevent attempting to remove the mapping twice, which could corrupt involved data structures.

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

Exploit

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

BDU:2026-02606

CVE-2022-49336

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/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49336.json · Exploit
• https://git.kernel.org/stable/c/e168c25526cd0368af098095c2ded4a008007e1b · Patch
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-49336 · Vendor Advisory
• https://git.kernel.org/stable/c/461c0fdf9434188875da9f10cfc86065866bb797 · Patch
• https://git.kernel.org/stable/c/19323b3671a85788569d15685c8f83a05ec48cbb · Patch
• https://git.kernel.org/stable/c/03bd455a79f69d97fee3e3b212ab754442f10e5c · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:1027-1 · Vendor Advisory
• https://git.kernel.org/stable/c/436cff507f2a41230baacc3e2ef1d3b2d2653f40 · Patch
• https://git.kernel.org/stable/c/64f4edec081cb7c97c5e928529d0e1b0dbbffb83 · Patch
• https://bdu.fstec.ru/vul/2026-02606 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-49336 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2025:1241-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2022-49336 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2025:1176-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2022-49336 · Vendor Advisory