CVE-2025-22103

MEDIUM EPSS 6.3%
Published Apr 16, 20251y ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Apr 16, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: net: fix NULL pointer dereference in l3mdev_l3_rcv When delete l3s ipvlan: ip link del link eth0 ipvlan1 type ipvlan mode l3s This may cause a null pointer dereference: Call trace: ip_rcv_finish+0x48/0xd0 ip_rcv+0x5c/0x100 __netif_receive_skb_one_core+0x64/0xb0 __netif_receive_skb+0x20/0x80 process_backlog+0xb4/0x204 napi_poll+0xe8/0x294 net_rx_action+0xd8/0x22c __do_softirq+0x12c/0x354 This is because l3mdev_l3_rcv() visit dev->l3mdev_ops after ipvlan_l3s_unregister() assign the dev->l3mdev_ops to NULL. The process like this: (CPU1) | (CPU2) l3mdev_l3_rcv() | check dev->priv_flags: | master = skb->dev; | | | ipvlan_l3s_unregister() | set dev->priv_flags | dev->l3mdev_ops = NULL; | visit master->l3mdev_ops | To avoid this by do not set dev->l3mdev_ops when unregister l3s ipvlan.

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
6.3% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-476 NULL Pointer Dereference Memory Safety

Affected Products 2

VendorProductVersionRange
linuxlinux_kernel*≥5.1  –  <6.12.46
linuxlinux_kernel*≥6.13  –  <6.14.2

References 4

  • git.kernel.org https://git.kernel.org/stable/c/0032c99e83b9ce6d5995d65900aa4b6ffb501cce
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/52b44d8c653459c658b733d13658afdde45f6836
  • git.kernel.org https://git.kernel.org/stable/c/59599bce44af3df7a215ebc81cb166426e1c9204
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/f9dff65140efc289f01bcf39c3ca66a8806b6132
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/0032c99e83b9ce6d5995d65900aa4b6ffb501cce
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/59599bce44af3df7a215ebc81cb166426e1c9204
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/f9dff65140efc289f01bcf39c3ca66a8806b6132
    Patch