CVE-2025-38024: Linux kernel · RDMA/rxe: Fix slab-use-after-free Read in rxe_queue_cleanup bug
Affects Linux kernelSource GCVE Database
Not known to be exploited · CVSS 7.8 High · fixed in 5.15.0-1088.95~20.04.1 : patch Linux kernel soon.
Data as of 28 Oct 2026, 11:30 UTC
- Patch
- Available – fixed in 5.15.0-1088.95~20.04.1, 5.15.0-1094.103~20.04.1, 5.15.0-1087.96~20.04.2 +63
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 18 Jun 2025
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-7654-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7654-2 (opens in a new tab)
- ubuntu.com/security/notices/USN-7654-3 (opens in a new tab)
- ubuntu.com/security/notices/USN-7655-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7654-4 (opens in a new tab)
- ubuntu.com/security/notices/USN-7654-5 (opens in a new tab)
- ubuntu.com/security/notices/USN-7686-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7699-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7699-2 (opens in a new tab)
- ubuntu.com/security/notices/USN-7711-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7712-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7721-1 (opens in a new tab)
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Ubuntu 25.10linux-azure-fdepkg:deb/ubuntu/linux-azure-fde?arch=source&distro=questingOther threats | 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-aws-6.14pkg:deb/ubuntu/linux-aws-6.14?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-azure-6.11pkg:deb/ubuntu/linux-azure-6.11?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.
AI-suggested
A patch is available and should be applied promptly. Update the Linux kernel to versions 5.15.0-1080.83 or later as provided by the vendor. After updating, a system reboot is required to apply the fix. No additional mitigation steps are necessary beyond applying the official patch.
Description
CVE-2025-38024 is a use-after-free vulnerability in the Linux kernel's RDMA/rxe subsystem. The flaw occurs in the rxe_queue_cleanup function when rxe_cq_from_init fails and rxe_cleanup is called, leading to a double free of some memory resources. This issue has been fixed in multiple Linux kernel versions starting from 5.15.0-1080.83 and later. The vulnerability has a high severity score of 7.8 CVSS v3.1 and can lead to full system compromise if exploited.
References
- ubuntu.com/security/CVE-2025-38024 (opens in a new tab)
- cve.org/CVERecord?id=CVE-2025-38024 (opens in a new tab)
- git.kernel.org/linus/f81b33582f9339d2dc17c69b92040d3650bb4bae (opens in a new tab)
- git.kernel.org/stable/c/16c45ced0b3839d3eee72a86bb172bef6cf58980 (opens in a new tab)
- git.kernel.org/stable/c/336edd6b0f5b7fbffc3e065285610624f59e88df (opens in a new tab)
- git.kernel.org/stable/c/3a3b73e135e3bd18423d0baa72571319c7feb759 (opens in a new tab)
- git.kernel.org/stable/c/52daccfc3fa68ee1902d52124921453d7a335591 (opens in a new tab)
- git.kernel.org/stable/c/7c7c80c32e00665234e373ab03fe82f5c5c2c230 (opens in a new tab)
- git.kernel.org/stable/c/ee4c5a2a38596d548566560c0c022ab797e6f71a (opens in a new tab)
- git.kernel.org/stable/c/f81b33582f9339d2dc17c69b92040d3650bb4bae (opens in a new tab)
- git.kernel.org/stable/c/f8f470e3a757425a8f98fb9a5991e3cf62fc7134 (opens in a new tab)
- ubuntu.com/security/notices/USN-7654-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7654-2 (opens in a new tab)
- ubuntu.com/security/notices/USN-7654-3 (opens in a new tab)
- ubuntu.com/security/notices/USN-7655-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7654-4 (opens in a new tab)
- ubuntu.com/security/notices/USN-7654-5 (opens in a new tab)
- ubuntu.com/security/notices/USN-7686-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7699-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7699-2 (opens in a new tab)