CVE-2024-36270: Linux kernel · netfilter: tproxy: bail out if IP has been disabled on the device
Affects Linux kernelSource GCVE Database
Not known to be exploited · CVSS 5.5 Medium · fixed in 4.4.0-1139.145 : update Linux kernel when convenient.
Data as of 28 Oct 2026, 10:59 UTC
- Patch
- Available – fixed in 4.4.0-1139.145, 4.15.0-1184.199~14.04.1, 4.4.0-262.296~14.04.1 +93
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 21 Jun 2024
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Upgrade to a fixed release listed under Affected software.
Patches and advisories
- ubuntu.com/security/notices/USN-6951-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-6953-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-6951-2 (opens in a new tab)
- ubuntu.com/security/notices/USN-6951-3 (opens in a new tab)
- ubuntu.com/security/notices/USN-6951-4 (opens in a new tab)
- ubuntu.com/security/notices/USN-6979-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-6999-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7004-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7005-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7007-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7008-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7005-2 (opens in a new tab)
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Ubuntu 24.04 LTSlinuxpkg:deb/ubuntu/linux?arch=source&distro=nobleOther threats | Affected
| Fixed in
|
Ubuntu 24.04 LTSlinux-awspkg:deb/ubuntu/linux-aws?arch=source&distro=nobleOther threats | Affected
| Fixed in
|
Ubuntu 24.04 LTSlinux-azurepkg:deb/ubuntu/linux-azure?arch=source&distro=nobleOther threats | Affected
| Fixed in
|
Ubuntu 24.04 LTSlinux-gcppkg:deb/ubuntu/linux-gcp?arch=source&distro=nobleOther threats | Affected
| Fixed in
|
Ubuntu 24.04 LTSlinux-gkepkg:deb/ubuntu/linux-gke?arch=source&distro=nobleOther threats | Affected
| Fixed in
|
Ubuntu 24.04 LTSlinux-ibmpkg:deb/ubuntu/linux-ibm?arch=source&distro=nobleOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
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.
References
- ubuntu.com/security/CVE-2024-36270 (opens in a new tab)
- cve.org/CVERecord?id=CVE-2024-36270 (opens in a new tab)
- git.kernel.org/linus/21a673bddc8fd4873c370caf9ae70ffc6d47e8d3 (opens in a new tab)
- git.kernel.org/stable/c/10f0af5234dafd03d2b75233428ec3f11cf7e43d (opens in a new tab)
- git.kernel.org/stable/c/07eeedafc59c45fe5de43958128542be3784764c (opens in a new tab)
- git.kernel.org/stable/c/6fe5af4ff06db3d4d80e07a19356640428159f03 (opens in a new tab)
- git.kernel.org/stable/c/caf3a8afb5ea00db6d5398adf148d5534615fd80 (opens in a new tab)
- git.kernel.org/stable/c/570b4c52096e62fda562448f5760fd0ff06110f0 (opens in a new tab)
- git.kernel.org/stable/c/819bfeca16eb9ad647ddcae25e7e12c30612147c (opens in a new tab)
- git.kernel.org/stable/c/21a673bddc8fd4873c370caf9ae70ffc6d47e8d3 (opens in a new tab)
- ubuntu.com/security/notices/USN-6951-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-6953-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-6951-2 (opens in a new tab)
- ubuntu.com/security/notices/USN-6951-3 (opens in a new tab)
- ubuntu.com/security/notices/USN-6951-4 (opens in a new tab)
- ubuntu.com/security/notices/USN-6979-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-6999-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7004-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7005-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7007-1 (opens in a new tab)