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CVE-2024-44986

ipv6: fix possible UAF in ip6_finish_output2()

Published: Sep 4, 2024Updated: Aug 4, 2026 Sources: CVE List NVD BDUCWE-416
8.1HIGH
NVD MITRE
EPSS Score
0.7%
Top 50.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix possible UAF in ip6_finish_output2() If skb_expand_head() returns NULL, skb has been freed and associated dst/idev could also have been freed. We need to hold rcu_read_lock() to make sure the dst and associated idev are alive.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:HPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-416

Affected Products

ООО «РусБИТех-Астра»
commercial·RUaka rusbitech-astra
Astra Linux Special Edition для «Эльбрус»On-premOS
Operating Systems / linux-distro
Astra Linux Special EditionOn-premOS
Operating Systems / linux-distro
Сообщество свободного программного обеспечения
oss-projectaka fsf
Debian GNU/LinuxOn-premOS
Operating Systems / linux-distro
LinuxOn-premOS
Operating Systems / linux-distro
Linux
oss-projectaka the linux kernel
LinuxOn-premOS
Operating Systems / linux-distro
debian
oss-project·GBaka debian gnu/linux
debian linuxOn-premOS
Operating Systems / linux-distro
ООО «Ред Софт»
commercial·RUaka red soft
РЕД ОСOn-premOS
Operating Systems / linux-distro
АО «ИВК»
commercial·RUaka ivk
АЛЬТ СП 10On-premOS
Operating Systems / linux-distro
and 4 more affected products View all →

Exploitability

Official Patch Available
Is your org exposed to CVE-2024-44986?We can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://git.kernel.org/stable/c/e891b36de161fcd96f12ff83667473e5067b9037
git.kernel.org
https://git.kernel.org/stable/c/3574d28caf9a09756ae87ad1ea096c6f47b6101e
git.kernel.org
https://git.kernel.org/stable/c/6ab6bf731354a6fdbaa617d1ec194960db61cf3b
git.kernel.org
and 29 more references View all →

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