PT-2019-6212 · Linux+2 · Linux Kernel+2

Syzbot · Published 2019-03-26 · Updated 2022-04-29 · CVE-2019-25045

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 versions prior to 5.0.19

Description The issue is related to a use-after-free in the XFRM subsystem of the Linux kernel, which can lead to a panic related to an xfrm state fini. This could potentially allow an attacker to access confidential information or cause a denial of service.

Recommendations For Linux kernel versions prior to 5.0.19, update to version 5.0.19 or later to resolve the issue. At the moment, there is no information about additional mitigation measures for this specific issue.

Exploit

Fix

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

ALT-PU-2019-1893

ALT-PU-2019-1896

ALT-PU-2019-1925

ALT-PU-2019-2077

ALT-PU-2020-1198

ALT-PU-2020-1501

ALT-PU-2020-2410

ALT-PU-2020-2433

ALT-PU-2021-1870

BDU:2022-03138

CVE-2019-25045

SUSE-SU-2021:2321-1

SUSE-SU-2021:2324-1

SUSE-SU-2021:2349-1

Affected Products

Alt Linux

Linux Kernel

Suse

References · 128

• 🔥 https://sites.google.com/view/syzscope/warning-in-xfrm_state_fini-2 · Exploit
• 🔥 https://syzkaller.appspot.com/bug?id=f99edaeec58ad40380ed5813d89e205861be2896 · Exploit
• https://osv.dev/vulnerability/SUSE-SU-2021:2321-1 · Vendor Advisory
• https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.19 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2019-25045 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-25045 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-25045 · Security Note
• https://ubuntu.com/security/CVE-2019-25045 · Vendor Advisory
• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=dbb2483b2a46fbaf833cfb5deb5ed9cace9c7399 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2021:2349-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2019-25045 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2019-25045 · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-03138 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2021:2324-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2019-25045 · Vendor Advisory