CVE-2024-35806: Linux kernel · soc: fsl: qbman: Always disable interrupts when taking cgr_lock
Affects Linux kernelSource GCVE Database
Not known to be exploited · CVSS 5.5 Medium · fixed in 5.4.0-1128.138~18.04.1 : update Linux kernel when convenient.
Data as of 6 Nov 2026, 15:20 UTC
- Patch
- Available – fixed in 5.4.0-1128.138~18.04.1, 5.4.0-1133.140~18.04.1, 5.4.0-1132.141~18.04.1 +62
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 17 May 2024
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: 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 6 Nov 2026.
What to do
Upgrade to a fixed release listed under Affected software.
Patches and advisories
- ubuntu.com/security/notices/USN-6816-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-6817-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-6817-2 (opens in a new tab)
- ubuntu.com/security/notices/USN-6817-3 (opens in a new tab)
- ubuntu.com/security/notices/USN-6878-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-6896-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-6898-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-6896-2 (opens in a new tab)
- ubuntu.com/security/notices/USN-6898-2 (opens in a new tab)
- ubuntu.com/security/notices/USN-6896-3 (opens in a new tab)
- ubuntu.com/security/notices/USN-6898-3 (opens in a new tab)
- ubuntu.com/security/notices/USN-6896-4 (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.
AI-suggested
A patch is available and has been released in several Linux kernel versions including 5.4.0-1128.138~18.04.1 and others listed in the fixedVersions. Users should upgrade to one of these fixed kernel versions to mitigate the vulnerability. No additional mitigation steps are indicated by the vendor advisory.
Description
CVE-2024-35806 is a vulnerability in the Linux kernel's soc: fsl: qbman component where interrupts are not always disabled when taking the cgr_lock, potentially leading to deadlocks. The issue occurs because while some functions disable interrupts properly, others do not, risking system stability. This flaw has been fixed in multiple patched Linux kernel versions.
References
- ubuntu.com/security/CVE-2024-35806 (opens in a new tab)
- cve.org/CVERecord?id=CVE-2024-35806 (opens in a new tab)
- git.kernel.org/linus/584c2a9184a33a40fceee838f856de3cffa19be3 (opens in a new tab)
- git.kernel.org/stable/c/b56a793f267679945d1fdb9a280013bd2d0ed7f9 (opens in a new tab)
- git.kernel.org/stable/c/62c3ecd2833cff0eff4a82af4082c44ca8d2518a (opens in a new tab)
- git.kernel.org/stable/c/dd199e5b759ffe349622a4b8fbcafc51fc51b1ec (opens in a new tab)
- git.kernel.org/stable/c/e6378314bb920acb39013051fa65d8f9f8030430 (opens in a new tab)
- git.kernel.org/stable/c/a62168653774c36398d65846a98034436ee66d03 (opens in a new tab)
- git.kernel.org/stable/c/0e6521b0f93ff350434ed4ae61a250907e65d397 (opens in a new tab)
- git.kernel.org/stable/c/276af8efb05c8e47acf2738a5609dd72acfc703f (opens in a new tab)
- git.kernel.org/stable/c/af25c5180b2b1796342798f6c56fcfd12f5035bd (opens in a new tab)
- git.kernel.org/stable/c/584c2a9184a33a40fceee838f856de3cffa19be3 (opens in a new tab)
- ubuntu.com/security/notices/USN-6816-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-6817-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-6817-2 (opens in a new tab)
- ubuntu.com/security/notices/USN-6817-3 (opens in a new tab)
- ubuntu.com/security/notices/USN-6878-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-6896-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-6898-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-6896-2 (opens in a new tab)