CVE-2026-43312: Linux kernel · media: i2c: ov5647: Initialize subdev before controls
Affects Linux kernelSource GCVE Database
Not known to be exploited · CVSS 5.5 Medium · fixed in 6.8.0-1060.63~22.04.1 : update Linux kernel when convenient.
Data as of 26 Oct 2026, 12:55 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 2% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 6.8.0-1060.63~22.04.1, 6.8.0-1063.69~22.04.1, 6.8.0-1060.61~22.04.1 +24
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 8 May 2026
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.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Ubuntu 26.04 LTSlinux-azure-fdepkg:deb/ubuntu/linux-azure-fde@7.0.0-1008.8?arch=source&distro=resoluteOther threats | Affected
| Fixed in– |
Ubuntu 25.10linuxpkg:deb/ubuntu/linux@6.17.0-40.40?arch=source&distro=questingOther threats | Affected
| Fixed in– |
Ubuntu 25.10linux-awspkg:deb/ubuntu/linux-aws@6.17.0-1019.19?arch=source&distro=questingOther threats | Affected
| Fixed in– |
Ubuntu 25.10linux-azurepkg:deb/ubuntu/linux-azure@6.17.0-1020.20?arch=source&distro=questingOther threats | Affected
| Fixed in– |
Ubuntu 25.10linux-azure-fdepkg:deb/ubuntu/linux-azure-fde@6.17.0-1017.17?arch=source&distro=questingOther threats | Affected
| Fixed in– |
Ubuntu 25.10linux-gcppkg:deb/ubuntu/linux-gcp@6.17.0-1020.22?arch=source&distro=questingOther 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 included in updated Linux kernel packages for Ubuntu 22.04 LTS, 24.04 LTS, and related variants. Users should update their systems using standard package management tools and reboot to apply the fixes. Due to ABI changes, recompilation and reinstallation of any third-party kernel modules are required. Follow the vendor's update instructions and verify kernel package versions to ensure the vulnerability is remediated.
Description
A vulnerability in the Linux kernel's media i2c ov5647 driver was resolved by correcting the initialization order of subdev and controls to prevent a potential segmentation fault. The issue arises because v4l2_get_subdevdata is called before the subdev is initialized, which can cause a segfault if an error condition is encountered. This vulnerability is part of a broader set of security issues fixed in the Linux kernel affecting multiple subsystems and architectures. A patch is available and included in updated Linux kernel packages for various Ubuntu releases. Users should apply the updates and reboot to ensure the fixes are applied.
References
- ubuntu.com/security/CVE-2026-43312 (opens in a new tab)
- cve.org/CVERecord?id=CVE-2026-43312 (opens in a new tab)
- git.kernel.org/linus/eee13cbccacb6d0a3120c126b8544030905b069d (opens in a new tab)
- git.kernel.org/stable/c/2dedda97a64e7735844609c6c77c0dd953d73833 (opens in a new tab)
- git.kernel.org/stable/c/59e372aa4cf60e2500eba7f978acdcb18bb49032 (opens in a new tab)
- git.kernel.org/stable/c/8ecb21c20387cc0c8aa00489a21ccc69f6b0f5d1 (opens in a new tab)
- git.kernel.org/stable/c/cabd025182cfed4a19b3aab57493e312d681e398 (opens in a new tab)
- git.kernel.org/stable/c/eee13cbccacb6d0a3120c126b8544030905b069d (opens in a new tab)
- git.kernel.org/stable/c/f2a1998bc0053ebfe137f65081ed13afd9f34502 (opens in a new tab)
- git.kernel.org/stable/c/fb69e4842f5b463ff5f121d2ac7746014e3477ea (opens in a new tab)
- ubuntu.com/security/notices/USN-8492-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-8492-2 (opens in a new tab)
- ubuntu.com/security/notices/USN-8497-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-8498-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-8499-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-8492-3 (opens in a new tab)
- ubuntu.com/security/notices/USN-8492-4 (opens in a new tab)
- ubuntu.com/security/notices/USN-8492-5 (opens in a new tab)
- ubuntu.com/security/notices/USN-8575-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-8576-1 (opens in a new tab)