CVE-2026-68444: Linux kernel · firmware: arm_ffa: Fix NULL dereference in ffa_partition_info_get()
Affects Linux kernelSource CVE Database V5
Not known to be exploited · fixed in ddf85f0c32e05baafbd9c3a44859858db90eec48 : update Linux kernel when convenient.
Data as of 6 Nov 2026, 17:19 UTC
Rated by Threat Radar · No CVSS score from NVD or the CNA
Thin evidence
One scorer or none- CISA SSVC
- Exploitation
- No evidence of active exploitation and no public proof of concept
- Automatable
- Attackers cannot reliably automate steps 1–4 of the kill chain
- Technical impact
- Limited control over the software or limited information exposure
CISA SSVC assessment, 2026-11-06.
- Patch
- Available – fixed in ddf85f0c32e05baafbd9c3a44859858db90eec48, 7201e56e52d18abf4cd0a2fee45daf9dc08b5b97, 996c5c19d5b5ac5b98a7b5a406b548305841c301 +4
Exploitation evidence
Disclosed: evidence found.
CVE published 12 Aug 2026
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.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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Description
In the Linux kernel, the following vulnerability has been resolved: firmware: arm_ffa: Fix NULL dereference in ffa_partition_info_get() ffa_partition_info_get() passes uuid_str directly to uuid_parse() without a NULL check. When a caller passes NULL, uuid_parse() -> __uuid_parse() -> uuid_is_valid() dereferences the pointer, causing a kernel panic: | Unable to handle kernel NULL pointer dereference at virtual address | 0000000000000040 | pc : uuid_parse+0x40/0xac | lr : ffa_partition_info_get+0x1c/0x94 [arm_ffa] Add a NULL guard before uuid_parse() so a NULL argument returns -ENODEV instead of crashing. Callers are expected to always supply a valid partition UUID, so NULL is not a supported input.
References
- git.kernel.org/stable/c/7dfb020e3048411fbca91e9ad6174da9a2d3e2b3 (opens in a new tab)
- git.kernel.org/stable/c/ddf85f0c32e05baafbd9c3a44859858db90eec48 (opens in a new tab)
- git.kernel.org/stable/c/86f5ea90f73bb7154593bb96f3411e197f3d4fbe (opens in a new tab)
- git.kernel.org/stable/c/7201e56e52d18abf4cd0a2fee45daf9dc08b5b97 (opens in a new tab)
- git.kernel.org/stable/c/996c5c19d5b5ac5b98a7b5a406b548305841c301 (opens in a new tab)
- git.kernel.org/stable/c/12a42c610e4432e7708cc48d607e5903fffe0aad (opens in a new tab)
- git.kernel.org/stable/c/8ae5f8e4836667fcaffdf2e3c6068b0a8b364dd8 (opens in a new tab)