CVE-2024-44974

HIGH EPSS 18.9%
Published Sep 4, 20241y ago · Modified Jun 17, 20261w ago
7.8 CVSS 3.1
High
Find Similar
Published Sep 4, 2024 1y ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: mptcp: pm: avoid possible UaF when selecting endp select_local_address() and select_signal_address() both select an endpoint entry from the list inside an RCU protected section, but return a reference to it, to be read later on. If the entry is dereferenced after the RCU unlock, reading info could cause a Use-after-Free. A simple solution is to copy the required info while inside the RCU protected section to avoid any risk of UaF later. The address ID might need to be modified later to handle the ID0 case later, so a copy seems OK to deal with.

CVSS Details

Base Score
7.8
Exploitability
1.8
Impact
5.9
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
18.9% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-416 Use After Free Memory Safety

Affected Products 10

VendorProductVersionRange
debiandebian_linux11.0any
linuxlinux_kernel*≥5.7  –  <5.10.226
linuxlinux_kernel*≥5.11  –  <5.15.167
linuxlinux_kernel*≥5.16  –  <6.1.109
linuxlinux_kernel*≥6.2  –  <6.6.48
linuxlinux_kernel*≥6.7  –  <6.10.7
linuxlinux_kernel6.11any
linuxlinux_kernel6.11any
linuxlinux_kernel6.11any
linuxlinux_kernel6.11any

References 8

  • git.kernel.org https://git.kernel.org/stable/c/0201d65d9806d287a00e0ba96f0321835631f63f
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/2b4f46f9503633dade75cb796dd1949d0e6581a1
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/48e50dcbcbaaf713d82bf2da5c16aeced94ad07d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/9a9afbbc3fbfca4975eea4aa5b18556db5a0c0b8
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/ddee5b4b6a1cc03c1e9921cf34382e094c2009f1
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/f2c865e9e3ca44fc06b5f73b29a954775e4dbb38
    Patch
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html
    Mailing ListThird Party Advisory
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
    Mailing ListThird Party Advisory

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/0201d65d9806d287a00e0ba96f0321835631f63f
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/2b4f46f9503633dade75cb796dd1949d0e6581a1
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/48e50dcbcbaaf713d82bf2da5c16aeced94ad07d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/9a9afbbc3fbfca4975eea4aa5b18556db5a0c0b8
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/ddee5b4b6a1cc03c1e9921cf34382e094c2009f1
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/f2c865e9e3ca44fc06b5f73b29a954775e4dbb38
    Patch