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Review reviewHigh

CVE-2026-53145

Linux Linux, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6

In the Linux kernel, the following vulnerability has been resolved: drm/gem: Try to fix change_handle ioctl, attempt 4 [airlied: just added some comments on how to reenable] On-list because the cat is out of the bag and we're clearly not good enough to figure this out in private. The story thus far: 5e28b7b94408 ("drm: Set old handle to NULL before prime swap in change_handle") tried to fix a race condition between the gem_close and gem_change_handle ioctls, but got a few things wrong: - There's a confusion with the local variable handle, which is actually the new handle, and so the two-sta...

CVSS
7.8
EPSS
0.10%
0.96% percentile
CISA KEV
Not listed
Published
2026.06.25
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.10%
Technical severityCVSS 7.8

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: drm/gem: Try to fix change_handle ioctl, attempt 4 [airlied: just added some comments on how to reenable] On-list because the cat is out of the bag and we're clearly not good enough to figure this out in private. The story thus far: 5e28b7b94408 ("drm: Set old handle to NULL before prime swap in change_handle") tried to fix a race condition between the gem_close and gem_change_handle ioctls, but got a few things wrong: - There's a confusion with the local variable handle, which is actually the new handle, and so the two-sta...

Affected product and versions

Product
Linux Linux, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6
Affected versions
>= 672464dd53231509c9c771110798c56d4660e19e < c0639ede2f24ac224b2079cd35ecd5fd8ad4e3cd, >= 61bd96d3e5472c253f9c1ab77608f0c8aaa9d025 < 1d9b93df7fc768228906e24220591ec1cddad391, >= 5e28b7b94408897e41c63477aabc9e1db439bc8c < 1a4f03d22fb655e5f192244fb2c87d8066fcfca2, >= 318b995cffcfcaa69a234d28123a3f4ae186a9df, >= 38f12d0e10d83b66fa1466400d876a3a8da31542, >= 0dfa42cfe4dbe114533480503934f43e33c1e83d, >= cde2c9257cbe8463b9dcf7b1075177b72b5fd938, >= 6.18.32 < 6.18.36, >= 7.0.9 < 7.0.13, 7.1, 7.0, 8.0, 9.0, 10.0
Fixed versions
6.18.36, 7.0.13

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Linux Linux, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6 and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-367