发布于3月6日3月6日 Members Red Hat: CVE-2024-36270: kernel: netfilter: tproxy: bail out if IP has been disabled on the device (Multiple Advisories) Severity 5 CVSS (AV:L/AC:L/Au:S/C:N/I:N/A:C) Published 06/21/2024 Created 08/13/2024 Added 08/12/2024 Modified 12/05/2024 Description In the Linux kernel, the following vulnerability has been resolved: netfilter: tproxy: bail out if IP has been disabled on the device syzbot reports: general protection fault, probably for non-canonical address 0xdffffc0000000003: 0000 [#1] PREEMPT SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f] [..] RIP: 0010:nf_tproxy_laddr4+0xb7/0x340 net/ipv4/netfilter/nf_tproxy_ipv4.c:62 Call Trace: nft_tproxy_eval_v4 net/netfilter/nft_tproxy.c:56 [inline] nft_tproxy_eval+0xa9a/0x1a00 net/netfilter/nft_tproxy.c:168 __in_dev_get_rcu() can return NULL, so check for this. Solution(s) redhat-upgrade-kernel redhat-upgrade-kernel-rt References CVE-2024-36270 RHSA-2024:4583 RHSA-2024:5101 RHSA-2024:5102 RHSA-2024:6993 RHSA-2024:7489 RHSA-2024:7490 View more