CVE-2024-44985CWE-416

CVE-2024-44985

Critical · published September 5, 2024

CVSS v3.1
9.8
EPSS
1%
Percentile
58.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00876 · 58.6th percentile
Weakness
CWE-416 · Use After Free
Published
2024-09-05T00:15Z
Affected products (8)
ProductVersionsFixed in
linux/linux_kernel≥ 5.15, < 5.15.1665.15.166
linux/linux_kernel≥ 5.16, < 6.1.1076.1.107
linux/linux_kernel≥ 6.2, < 6.6.486.6.48
linux/linux_kernel≥ 6.7, < 6.10.76.10.7
linux/linux_kernelall versions—
linux/linux_kernelall versions—
linux/linux_kernelall versions—
linux/linux_kernelall versions—
References (8)
EPSS history
Timeline
  • 04 SEP 19:54Z
    ipv6: prevent possible UAF in ip6_xmit()
    cvelistv5