PT-2023-4325 · Linux+1 · Linux Kernel+1

Published 2023-08-07 · Updated 2023-10-09 · CVE-2023-4205

Positive Technologies (AI Summary)

CVSS v2.0

4.6

Medium

Base vector

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

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

Description The issue is related to an out-of-bounds memory access flaw in the do journal end function in the fs/reiserfs/journal.c module of the Linux kernel's reiserfs filesystem. This flaw can be exploited by a local user to crash the system. The problem is associated with a buffer overflow.

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

Out of bounds Read

Memory Corruption

Weakness Enumeration

CWE-125

CWE-787

Related Identifiers

BDU:2023-04660

CVE-2023-4205

Affected Products

Linux Kernel

Red Os

References · 12

• https://bdu.fstec.ru/vul/2023-04660 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-4205 · Security Note
• http://repo.red-soft.ru/redos/7.3c/x86_64/updates · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-4205 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-4205 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2023-4205 · Security Note
• https://twitter.com/ZhiyuZhang6/status/1711312531921539107 · Twitter Post
• https://lore.kernel.org/linux-fsdevel/20230809153207.zokdmoco4lwa5s6b@quack3 · Note
• https://redos.red-soft.ru/support/secure/uyazvimosti/mnozhestvennye-uyazvimosti-yadra-os-04-09-23-2 · Note
• https://redos.red-soft.ru/support/secure/uyazvimosti/support/secure/uyazvimosti/mnozhestvennye-uyazvimosti-yadra-os-04-09-23-2 · Note
• https://redos.red-soft.ru/support/secure/uyazvimosti/support/secure/uyazvimosti/mnozhestvennye-uyazvimosti-yadra-os-04-09-23-1 · Note
• https://t.me/cibsecurity/67880 · Telegram Post