CVE-2024-44983
Published: September 5, 2024Last modified: September 5, 2024
Description
In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: validate vlan header Ensure there is sufficient room to access the protocol field of the VLAN header, validate it once before the flowtable lookup. ===================================================== BUG: KMSAN: uninit-value in nf_flow_offload_inet_hook+0x45a/0x5f0 net/netfilter/nf_flow_table_inet.c:32 nf_flow_offload_inet_hook+0x45a/0x5f0 net/netfilter/nf_flow_table_inet.c:32 nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline] nf_hook_slow+0xf4/0x400 net/netfilter/core.c:626 nf_hook_ingress include/linux/netfilter_netdev.h:34 [inline] nf_ingress net/core/dev.c:5440 [inline]
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.1 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Fixed (6.1.110-r0) |
| Stream | linux-lts | Fixed (6.6.58-r0) |
References
- https://git.kernel.org/stable/c/0279c35d242d037abeb73d60d06a6d1bb7f672d9
- https://git.kernel.org/stable/c/043a18bb6cf16adaa2f8642acfde6e8956a9caaa
- https://git.kernel.org/stable/c/6ea14ccb60c8ab829349979b22b58a941ec4a3ee
- https://git.kernel.org/stable/c/c05155cc455785916164aa5e1b4605a2ae946537
- https://git.kernel.org/stable/c/d9384ae7aec46036d248d1c2c2757e471ab486c3