NULL Pointer Dereference Affecting kernel-debug-uki-virt package, versions <0:5.14.0-427.26.1.el9_4
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Test your applications- Snyk ID SNYK-ORACLE9-KERNELDEBUGUKIVIRT-7545829
- published 20 Jul 2024
- disclosed 21 Jun 2024
Introduced: 21 Jun 2024
CVE-2024-36270 Open this link in a new tabHow to fix?
Upgrade Oracle:9 kernel-debug-uki-virt to version 0:5.14.0-427.26.1.el9_4 or higher.
This issue was patched in ELSA-2024-4583.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-debug-uki-virt package and not the kernel-debug-uki-virt package as distributed by Oracle.
See How to fix? for Oracle:9 relevant fixed versions and status.
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.
References
- https://linux.oracle.com/cve/CVE-2024-36270.html
- https://linux.oracle.com/errata/ELSA-2024-4583.html
- https://git.kernel.org/stable/c/07eeedafc59c45fe5de43958128542be3784764c
- https://git.kernel.org/stable/c/10f0af5234dafd03d2b75233428ec3f11cf7e43d
- https://git.kernel.org/stable/c/21a673bddc8fd4873c370caf9ae70ffc6d47e8d3
- https://git.kernel.org/stable/c/570b4c52096e62fda562448f5760fd0ff06110f0
- https://git.kernel.org/stable/c/6fe5af4ff06db3d4d80e07a19356640428159f03
- https://git.kernel.org/stable/c/819bfeca16eb9ad647ddcae25e7e12c30612147c
- https://git.kernel.org/stable/c/caf3a8afb5ea00db6d5398adf148d5534615fd80