CVE-2025-22103
Vulnerability Summary
Timeline
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 Metrics
- v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Trends
Current EPSS score: 0.20%• Percentile: 11%
Techniques & Countermeasures
- CWE-476•NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.
Affected Systems
- debian•linux
all | all | < 6.12.48-1 | < 6.16.3-1
- ubuntu•linux
all | all | < 6.8.0-106.106
- ubuntu•linux-allwinner-5.19
all
- ubuntu•linux-aws
all | all | < 6.8.0-1050.53
- ubuntu•linux-aws-5.0
all
- ubuntu•linux-aws-5.11
all
- ubuntu•linux-aws-5.13
all
- ubuntu•linux-aws-5.15
all
- ubuntu•linux-aws-5.19
all
- ubuntu•linux-aws-5.3
all
- ubuntu•linux-aws-5.4
all
- ubuntu•linux-aws-5.8
all
- ubuntu•linux-aws-6.2
all
- ubuntu•linux-aws-6.5
all
- ubuntu•linux-aws-6.8
< 6.8.0-1050.53~22.04.1
- ubuntu•linux-aws-fips
all | < 6.8.0-1050.53+fips1
- ubuntu•linux-azure
all | all | all | < 6.8.0-1051.57
- ubuntu•linux-azure-5.11
all
- ubuntu•linux-azure-5.13
all
- ubuntu•linux-azure-5.15
all
- ubuntu•linux-azure-5.19
all
- ubuntu•linux-azure-5.3
all
- ubuntu•linux-azure-5.4
all
- ubuntu•linux-azure-5.8
all
- ubuntu•linux-azure-6.11
all
- ubuntu•linux-azure-6.2
all
- ubuntu•linux-azure-6.5
all
- ubuntu•linux-azure-6.8
< 6.8.0-1051.57~22.04.1
- ubuntu•linux-azure-edge
all
- ubuntu•linux-azure-fde
all | all | all | all
- ubuntu•linux-azure-fde-5.19
all
- ubuntu•linux-azure-fde-6.2
all
- ubuntu•linux-azure-fde-6.8
all
- ubuntu•linux-azure-fips
all | < 6.8.0-1052.58+fips1
- ubuntu•linux-azure-nvidia
all
- ubuntu•linux-bluefield
all | all | < 6.8.0-1017.21
- ubuntu•linux-fips
all | < 6.8.0-106.106+fips1
- ubuntu•linux-gcp
all | all | all | < 6.8.0-1052.55
- ubuntu•linux-gcp-5.11
all
- ubuntu•linux-gcp-5.13
all
- ubuntu•linux-gcp-5.15
all
- ubuntu•linux-gcp-5.19
all
- ubuntu•linux-gcp-5.3
all
- ubuntu•linux-gcp-5.4
all
- ubuntu•linux-gcp-5.8
all
- ubuntu•linux-gcp-6.11
all
- ubuntu•linux-gcp-6.2
all
- ubuntu•linux-gcp-6.5
all
- ubuntu•linux-gcp-6.8
< 6.8.0-1052.55~22.04.1
- ubuntu•linux-gcp-fips
all | < 6.8.0-1052.55+fips1
Showing first 50 affected entries in server-rendered view.
References (24)
- https://git.kernel.org/stable/c/52b44d8c653459c658b733d13658afdde45f6836
- https://git.kernel.org/stable/c/59599bce44af3df7a215ebc81cb166426e1c9204
- https://git.kernel.org/stable/c/f9dff65140efc289f01bcf39c3ca66a8806b6132
- https://git.kernel.org/stable/c/0032c99e83b9ce6d5995d65900aa4b6ffb501cce
- https://ubuntu.com/security/CVE-2025-22103
- https://www.cve.org/CVERecord?id=CVE-2025-22103
- https://git.kernel.org/linus/0032c99e83b9ce6d5995d65900aa4b6ffb501cce
- https://ubuntu.com/security/notices/USN-7594-1
- https://ubuntu.com/security/notices/USN-7594-2
- https://ubuntu.com/security/notices/USN-7594-3
- https://ubuntu.com/security/notices/USN-8095-1
- https://ubuntu.com/security/notices/USN-8100-1
- https://ubuntu.com/security/notices/USN-8095-2
- https://ubuntu.com/security/notices/USN-8095-3
- https://ubuntu.com/security/notices/USN-8095-4
- https://ubuntu.com/security/notices/USN-8125-1
- https://ubuntu.com/security/notices/USN-8126-1
- https://ubuntu.com/security/notices/USN-8095-5
- https://ubuntu.com/security/notices/USN-8165-1
- https://ubuntu.com/security/notices/USN-8261-1
- https://security-tracker.debian.org/tracker/CVE-2025-22103
- https://git.kernel.org/stable/c/1da52878f7fb74ace304f74325bb89e3e5546b55
- https://git.kernel.org/stable/c/d97d6b1bd2b7f2a188d261d44c4519a13b8c406a
- https://git.kernel.org/stable/c/8da4d7f9141e8dbd3ece2f0e6930a0ea8812c862