Answer in brief
CVE-2025-22103 records a Unknown severity vulnerability in net: fix NULL pointer dereference in l3mdev_l3_rcv. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=c675e06a98a474f7ad0af32ce467613da818da52 <1da52878f7fb74ace304f74325bb89e3e5546b55 || >=c675e06a98a474f7ad0af32ce467613da818da52 <d97d6b1bd2b7f2a188d261d44c4519a13b8c406a || >=c675e06a98a474f7ad0af32ce467613da818da52 <8da4d7f9141e8dbd3ece2f0e6930a0ea8812c862 || >=c675e06a98a474f7ad0af32ce467613da818da52 <52b44d8c653459c658b733d13658afdde45f6836 || >=c675e06a98a474f7ad0af32ce467613da818da52 <59599bce44af3df7a215ebc81cb166426e1c9204 || >=c675e06a98a474f7ad0af32ce467613da818da52 <f9dff65140efc289f01bcf39c3ca66a8806b6132 || >=c675e06a98a474f7ad0af32ce467613da818da52 <0032c99e83b9ce6d5995d65900aa4b6ffb501cce | 1da52878f7fb74ace304f74325bb89e3e5546b55, d97d6b1bd2b7f2a188d261d44c4519a13b8c406a, 8da4d7f9141e8dbd3ece2f0e6930a0ea8812c862, 52b44d8c653459c658b733d13658afdde45f6836, 59599bce44af3df7a215ebc81cb166426e1c9204, f9dff65140efc289f01bcf39c3ca66a8806b6132, 0032c99e83b9ce6d5995d65900aa4b6ffb501cce |
| Linux/Linuxgeneric | 5.1 | Not reported |
Published upstream
Apr 16, 2025
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Sep 14, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Sep 14, 2026
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.
Quoted source text, attributed separately from HOL analysis.