PT-2025-7983 · Linux+2 · Linux Kernel+2

Qintaoshen · Published 2022-03-25 · Updated 2025-05-20 · CVE-2022-49055

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 null-pointer dereference issue exists due to the potential null return of kmalloc array(). This can lead to a null-pointer dereference in event waiters[i].wait. The issue arises because kmalloc array() may return null, and its return value should be checked to avoid this problem.

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

BDU:2026-01264

CVE-2022-49055

OESA-2025-1282

OPENSUSE-SU-2025_1263-1

SUSE-SU-2025:01600-1

SUSE-SU-2025:1027-1

SUSE-SU-2025:1176-1

SUSE-SU-2025:1183-1

SUSE-SU-2025:1194-1

SUSE-SU-2025:1241-1

SUSE-SU-2025:1263-1

SUSE-SU-2025_01600-1

SUSE-SU-2025_1027-1

SUSE-SU-2025_1241-1

SUSE-SU-2025_1263-1

Affected Products

Astra Linux

Linux Kernel

Suse

References · 1508

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49055.json · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2022-49661 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-49253 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-49685 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-49620 · Security Note
• https://git.kernel.org/stable/c/94869bb0de69a812f70231b0eb480bb2f7ae73a6 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2022-49433 · Security Note
• https://git.kernel.org/stable/c/1d7a5aae884ca727d41c7ed15d4c82fdb67c040c · Patch
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-49055 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-52572 · Security Note
• https://git.kernel.org/stable/c/0a692c625e373fef692ffbc7fc41f8a025f01cb7 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2022-49341 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-49404 · Security Note
• https://git.kernel.org/stable/c/40bf32dbfef866c83a3e74800b81d79e52b6d20b · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:1194-1 · Vendor Advisory