CVE-2024-53217

MEDIUM EPSS 15.4%
Published Dec 27, 20241y ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Dec 27, 2024 1y ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: NFSD: Prevent NULL dereference in nfsd4_process_cb_update() @ses is initialized to NULL. If __nfsd4_find_backchannel() finds no available backchannel session, setup_callback_client() will try to dereference @ses and segfault.

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
15.4% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-476 NULL Pointer Dereference Memory Safety

Affected Products 8

VendorProductVersionRange
linuxlinux_kernel*≥2.6.38  –  <4.19.325
linuxlinux_kernel*≥4.20  –  <5.4.287
linuxlinux_kernel*≥5.5  –  <5.10.231
linuxlinux_kernel*≥5.11  –  <5.15.174
linuxlinux_kernel*≥5.16  –  <6.1.120
linuxlinux_kernel*≥6.2  –  <6.6.64
linuxlinux_kernel*≥6.7  –  <6.11.11
linuxlinux_kernel*≥6.12  –  <6.12.2

References 11

  • git.kernel.org https://git.kernel.org/stable/c/03178cd8f67227015debb700123987fe96275cd1
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/0c3b0e326f838787d229314d4de83af9c53347e8
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/1e02c641c3a43c88cecc08402000418e15578d38
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/4a4ffc1aa9d618e41ad9151f40966e402e58a5a2
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/752a75811f27300fe8131b0a1efc91960f6f88e7
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/c5d90f9302742985a5078e42ac38de42c364c44a
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/cac1405e3ff6685a438e910ad719e0cf06af90ee
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/d9a0d1f6e15859ea7a86a327f28491e23deaaa62
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/eb51733ae5fc73d95bd857d5da26f9f65b202a79
    Patch
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/03178cd8f67227015debb700123987fe96275cd1
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/0c3b0e326f838787d229314d4de83af9c53347e8
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/1e02c641c3a43c88cecc08402000418e15578d38
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/4a4ffc1aa9d618e41ad9151f40966e402e58a5a2
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/752a75811f27300fe8131b0a1efc91960f6f88e7
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/c5d90f9302742985a5078e42ac38de42c364c44a
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/cac1405e3ff6685a438e910ad719e0cf06af90ee
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/d9a0d1f6e15859ea7a86a327f28491e23deaaa62
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/eb51733ae5fc73d95bd857d5da26f9f65b202a79
    Patch