CVE-2023-42752

2023-10-1302:15:09

Debian Security Bug Tracker

security-tracker.debian.org

integer overflow

linux kernel

kernel exploitation

smap protection

function pointers

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS

Percentile

5.1%

JSON

An integer overflow flaw was found in the Linux kernel. This issue leads to the kernel allocating skb_shared_info in the userspace, which is exploitable in systems without SMAP protection since skb_shared_info contains references to function pointers.

OSVersionArchitecturePackageVersionFilename
Debian12alllinux< 6.1.55-1linux_6.1.55-1_all.deb
Debian11alllinux< 5.10.223-1linux_5.10.223-1_all.deb
Debian999alllinux< 6.5.3-1linux_6.5.3-1_all.deb
Debian13alllinux< 6.5.3-1linux_6.5.3-1_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	12	all	linux	< 6.1.55-1	linux_6.1.55-1_all.deb
Debian	11	all	linux	< 5.10.223-1	linux_5.10.223-1_all.deb
Debian	999	all	linux	< 6.5.3-1	linux_6.5.3-1_all.deb
Debian	13	all	linux	< 6.5.3-1	linux_6.5.3-1_all.deb