cve/2024/CVE-2024-26595.md

### [CVE-2024-26595](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-26595)
![](https://img.shields.io/static/v1?label=Product&message=Linux&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=22a677661f56%3C%20817840d125a3%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen)

### Description

In the Linux kernel, the following vulnerability has been resolved:mlxsw: spectrum_acl_tcam: Fix NULL pointer dereference in error pathWhen calling mlxsw_sp_acl_tcam_region_destroy() from an error path afterfailing to attach the region to an ACL group, we hit a NULL pointerdereference upon 'region->group->tcam' [1].Fix by retrieving the 'tcam' pointer using mlxsw_sp_acl_to_tcam().[1]BUG: kernel NULL pointer dereference, address: 0000000000000000[...]RIP: 0010:mlxsw_sp_acl_tcam_region_destroy+0xa0/0xd0[...]Call Trace: mlxsw_sp_acl_tcam_vchunk_get+0x88b/0xa20 mlxsw_sp_acl_tcam_ventry_add+0x25/0xe0 mlxsw_sp_acl_rule_add+0x47/0x240 mlxsw_sp_flower_replace+0x1a9/0x1d0 tc_setup_cb_add+0xdc/0x1c0 fl_hw_replace_filter+0x146/0x1f0 fl_change+0xc17/0x1360 tc_new_tfilter+0x472/0xb90 rtnetlink_rcv_msg+0x313/0x3b0 netlink_rcv_skb+0x58/0x100 netlink_unicast+0x244/0x390 netlink_sendmsg+0x1e4/0x440 ____sys_sendmsg+0x164/0x260 ___sys_sendmsg+0x9a/0xe0 __sys_sendmsg+0x7a/0xc0 do_syscall_64+0x40/0xe0 entry_SYSCALL_64_after_hwframe+0x63/0x6b

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/fkie-cad/nvd-json-data-feeds