CVE-2024-44985

2024-09-0500:00:00

ubuntu.com

linux kernel

ipv6

uaf

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

Confidence

Low

JSON

In the Linux kernel, the following vulnerability has been resolved:
ipv6: prevent possible UAF in ip6_xmit()
If skb_expand_head() returns NULL, skb has been freed
and the associated dst/idev could also have been freed.
We must use rcu_read_lock() to prevent a possible UAF.

OSVersionArchitecturePackageVersionFilename
ubuntu22.04noarchlinux< anyUNKNOWN
ubuntu24.04noarchlinux< anyUNKNOWN
ubuntu22.04noarchlinux-aws< anyUNKNOWN
ubuntu24.04noarchlinux-aws< anyUNKNOWN
ubuntu20.04noarchlinux-aws-5.15< anyUNKNOWN
ubuntu22.04noarchlinux-azure< anyUNKNOWN
ubuntu24.04noarchlinux-azure< anyUNKNOWN
ubuntu20.04noarchlinux-azure-5.15< anyUNKNOWN
ubuntu22.04noarchlinux-azure-fde< anyUNKNOWN
ubuntu20.04noarchlinux-azure-fde-5.15< anyUNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	22.04	noarch	linux	< any	UNKNOWN
ubuntu	24.04	noarch	linux	< any	UNKNOWN
ubuntu	22.04	noarch	linux-aws	< any	UNKNOWN
ubuntu	24.04	noarch	linux-aws	< any	UNKNOWN
ubuntu	20.04	noarch	linux-aws-5.15	< any	UNKNOWN
ubuntu	22.04	noarch	linux-azure	< any	UNKNOWN
ubuntu	24.04	noarch	linux-azure	< any	UNKNOWN
ubuntu	20.04	noarch	linux-azure-5.15	< any	UNKNOWN
ubuntu	22.04	noarch	linux-azure-fde	< any	UNKNOWN
ubuntu	20.04	noarch	linux-azure-fde-5.15	< any	UNKNOWN