PT-2022-7687 · Linux+4 · Linux Kernel+4

Shuang Li · Published 2022-11-28 · Updated 2025-09-29 · CVE-2022-49017

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description The issue is related to the tipc crypto rcv complete() function in the Linux kernel, which is vulnerable to a use-after-free error. This occurs because the original skb is freed in tipc msg validate(), and dereferencing the old skb cb would cause a crash. The vulnerability can be exploited to impact the confidentiality, integrity, and availability of protected information.

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

Exploit

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

ALSA-2025_16880

ALT-PU-2023-1066

BDU:2024-10090

CVE-2022-49017

OESA-2024-2371

OPENSUSE-SU-2024_3983-1

OPENSUSE-SU-2024_3985-1

SUSE-SU-2024:3983-1

SUSE-SU-2024:3985-1

SUSE-SU-2024:4364-1

Affected Products

Alt Linux

Astra Linux

Linux Kernel

Red Os

Suse

References · 1064

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49017.json · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2022-48995 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-49954 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-50083 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-49021 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-49017 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2024:3985-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-49860 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-49882 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-47660 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-49881 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-50063 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-49922 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-50033 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-48975 · Security Note