PatchTheCVECVE-2026-43368: In the Linux kernel, the following vulnerability has been resolved: drm/i915: Fix potential overflow of shmem
CVE-2026-43368 is a high-severity flaw (CVSS 7.8) affecting linux kernel. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
In the Linux kernel, the following vulnerability has been resolved: drm/i915: Fix potential overflow of shmem scatterlist length When a scatterlists table of a GEM shmem object of size 4 GB or more is populated with pages allocated from a folio, unsigned int .length attribute of a scatterlist may get overflowed if total byte length of pages allocated to that single scatterlist happens to reach or cross the 4GB limit. As a consequence, users of
Why this priority
- High severity
- On your watchlist
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.8 (High) |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.2% (top 95%) |
| CISA exploited list | No |
| Weakness | CWE-190 |
| Published | 2026-05-08 |
| Last modified | 2026-10-19 |
Last updated 2026-10-19 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-43368?
linux kernel: upgrade to 6.6.130, 6.12.78, 6.18.19, 6.19.9. Exact commands for each OS are on this page.
Is CVE-2026-43368 being exploited?
CVE-2026-43368 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-43368 affect?
CVE-2026-43368 affects linux kernel. Severity is high (CVSS 7.8). In the Linux kernel, the following vulnerability has been resolved: drm/i915: Fix potential overflow of shmem scatterlist length When a scatterlists table of a GEM shmem object of size 4 GB or more is populated with pages allocated from a
How urgent is CVE-2026-43368?
Priority 34/100. High severity; On your watchlist
Software pages
Related CVEs
- CVE-2026-98141 MEDIUM 5.5 UPGRADE In the Linux kernel, the following vulnerability has been resolved: ntfs: propagate reparse index insertion f
- CVE-2026-64239 HIGH 7.8 UPGRADE In the Linux kernel, the following vulnerability has been resolved: mm/damon/sysfs-schemes: delete tried regi
- CVE-2026-64236 MEDIUM 5.5 UPGRADE In the Linux kernel, the following vulnerability has been resolved: i2c: davinci: fix division by zero on mis
- CVE-2026-98142 MEDIUM 5.5 UPGRADE In the Linux kernel, the following vulnerability has been resolved: drm/cirrus-qemu: Validate BAR0 size durin
- CVE-2026-98147 MEDIUM 5.5 UPGRADE In the Linux kernel, the following vulnerability has been resolved: printk: Don't WARN on kthread_run failure