PT-2023-2977 · Linux+1 · Linux Kernel+1

Published 2023-04-12 · Updated 2023-09-04 · CVE-2023-34255

Positive Technologies (AI Summary)

CVSS v2.0

7.2

High

Base vector

AV:L/AC:L/Au:N/C:C/I:C/A:C

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

Description The issue is related to the use of memory after it has been freed in the xfs btree lookup get block() function of the Linux kernel. This could potentially allow an attacker 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.

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

BDU:2023-02994

CVE-2023-34255

ROSA-SA-2023-2206

ROSA-SA-2023-2207

Affected Products

Linux Kernel

Red Os

References · 20

• https://nvd.nist.gov/vuln/detail/CVE-2023-34255 · Security Note
• http://repo.red-soft.ru/redos/7.3c/x86_64/updates · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2023-34255 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2023-34255 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-02529 · Security Note
• https://bdu.fstec.ru/vul/2023-02994 · Security Note
• https://safe-surf.ru/specialists/bulletins-nkcki/703773 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-34255 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-34255 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-03163 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-2124 · Security Note
• https://abf.rosalinux.ru/advisories/ROSA-SA-2023-2206 · Note
• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=22ed903eee23a5b174e240f1cdfa9acf393a5210 · Note
• https://redos.red-soft.ru/support/secure/uyazvimosti/support/secure/uyazvimosti/mnozhestvennye-uyazvimosti-yadra-os-04-09-23-2 · Note
• https://git.kernel.org/linus/22ed903eee23a5b174e240f1cdfa9acf393a5210 · Note