CVE-2024-36270: netfilter: tproxy: bail out if IP has been disabled on the device
First published: Fri Jun 21 2024(Updated: )
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.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <5.4.278 | 5.4.278 |
| redhat/kernel | <5.10.219 | 5.10.219 |
| redhat/kernel | <5.15.161 | 5.15.161 |
| redhat/kernel | <6.1.93 | 6.1.93 |
| redhat/kernel | <6.6.33 | 6.6.33 |
| redhat/kernel | <6.9.4 | 6.9.4 |
| redhat/kernel | <6.10 | 6.10 |
| F5 Traffix Systems Signaling Delivery Controller | =5.2.0 | |
| Linux Kernel | >=2.6.37<5.4.278 | |
| Linux Kernel | >=5.5<5.10.219 | |
| Linux Kernel | >=5.11<5.15.161 | |
| Linux Kernel | >=5.16<6.1.93 | |
| Linux Kernel | >=6.2<6.6.33 | |
| Linux Kernel | >=6.7<6.9.4 | |
| Linux Kernel | =6.10-rc1 | |
| debian/linux | 5.10.223-1 5.10.234-1 6.1.123-1 6.1.128-1 6.12.12-1 6.12.16-1 |
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Reference Links
- 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
- https://launchpad.net/bugs/cve/CVE-2024-36270
- https://access.redhat.com/security/cve/CVE-2024-36270
- https://lore.kernel.org/linux-cve-announce/2024062135-CVE-2024-36270-f7f7@gregkh/T
- https://access.redhat.com/errata/RHSA-2024:4583
- https://access.redhat.com/errata/RHSA-2024:5102
- https://access.redhat.com/errata/RHSA-2024:5101
- https://access.redhat.com/errata/RHSA-2024:6993
- https://access.redhat.com/errata/RHSA-2024:7486
- https://access.redhat.com/errata/RHSA-2024:7490
- https://access.redhat.com/errata/RHSA-2024:7489
- https://bugzilla.redhat.com/show_bug.cgi?id=2293653
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-36270
- https://nvd.nist.gov/vuln/detail/CVE-2024-36270
- https://security-tracker.debian.org/tracker/CVE-2024-36270
- https://ubuntu.com/security/CVE-2024-36270
- https://git.kernel.org/linus/21a673bddc8fd4873c370caf9ae70ffc6d47e8d3
- https://my.f5.com/manage/s/article/K000148638
Frequently Asked Questions
What is the severity of CVE-2024-36270?
CVE-2024-36270 is a critical vulnerability that can lead to a general protection fault in the Linux kernel.
How do I fix CVE-2024-36270?
To fix CVE-2024-36270, upgrade your Linux kernel to versions 5.4.278, 5.10.219, 5.15.161, 6.1.93, 6.6.33, 6.9.4, or 6.10.
What versions of the Linux kernel are affected by CVE-2024-36270?
CVE-2024-36270 affects various versions of the Linux kernel, including those prior to 5.4.278, 5.10.219, 5.15.161, 6.1.93, 6.6.33, and 6.9.4.
Is there a workaround for CVE-2024-36270?
Currently, the best approach to mitigate CVE-2024-36270 is to update to a patched version of the kernel.
Which products are affected by CVE-2024-36270?
CVE-2024-36270 mainly affects the Linux kernel and the F5 Traffix SDC version 5.2.0.
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