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Vulnerability · Published May 8, 2026 · Assigned by Linux

CVE-2025-71301drm/tests: shmem: Hold reservation lock around vmap/vunmap

Medium 5.5

In plain English

A medium-severity security flaw in Linux from Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 2% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.1%top 98.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

In the Linux kernel, the following vulnerability has been resolved: drm/tests: shmem: Hold reservation lock around vmap/vunmap Acquire and release the GEM object's reservation lock around vmap and vunmap operations. The tests use vmap_locked, which led to errors such as show below. [ 122.292030] WARNING: CPU: 3 PID: 1413 at drivers/gpu/drm/drm_gem_shmem_helper.c:390 drm_gem_shmem_vmap_locked+0x3a3/0x6f0 [ 122.468066] WARNING: CPU: 3 PID: 1413 at drivers/gpu/drm/drm_gem_shmem_helper.c:293 drm_gem_shmem_pin_locked+0x1fe/0x350 [ 122.563504] WARNING: CPU: 3 PID: 1413 at drivers/gpu/drm/drm_gem_shmem_helper.c:234 drm_gem_shmem_get_pages_locked+0x23c/0x370 [ 122.662248] WARNING: CPU: 2 PID: 1413 at drivers/gpu/drm/drm_gem_shmem_helper.c:452 drm_gem_shmem_vunmap_locked+0x101/0x330 Only export the new vmap/vunmap helpers for Kunit tests. These are not interfaces for regular drivers.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:14linux6.19.6-1DEBIAN-CVE-2025-71301
Ubuntu:25.10linuxno fix listedUBUNTU-CVE-2025-71301
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2025-71301
Ubuntu:25.10linux-awsno fix listedUBUNTU-CVE-2025-71301
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2025-71301
Ubuntu:24.04:LTSlinux-aws-6.14no fix listedUBUNTU-CVE-2025-71301
Ubuntu:24.04:LTSlinux-aws-6.17no fix listedUBUNTU-CVE-2025-71301
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2025-71301
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2025-71301
Ubuntu:25.10linux-azureno fix listedUBUNTU-CVE-2025-71301
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2025-71301
Ubuntu:24.04:LTSlinux-azure-6.11no fix listedUBUNTU-CVE-2025-71301
Ubuntu:24.04:LTSlinux-azure-6.17no fix listedUBUNTU-CVE-2025-71301
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2025-71301
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2025-71301
Ubuntu:25.10linux-azure-fdeno fix listedUBUNTU-CVE-2025-71301
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2025-71301
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2025-71301
Ubuntu:25.10linux-gcpno fix listedUBUNTU-CVE-2025-71301
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2025-71301
Ubuntu:24.04:LTSlinux-gcp-6.11no fix listedUBUNTU-CVE-2025-71301
Ubuntu:24.04:LTSlinux-gcp-6.14no fix listedUBUNTU-CVE-2025-71301
Ubuntu:24.04:LTSlinux-gcp-6.17no fix listedUBUNTU-CVE-2025-71301
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2025-71301
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2025-71301
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2025-71301
Ubuntu:24.04:LTSlinux-hwe-6.11no fix listedUBUNTU-CVE-2025-71301
Ubuntu:24.04:LTSlinux-hwe-6.14no fix listedUBUNTU-CVE-2025-71301
Ubuntu:24.04:LTSlinux-hwe-6.17no fix listedUBUNTU-CVE-2025-71301
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2025-71301
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2025-71301
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2025-71301
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2025-71301
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.11no fix listedUBUNTU-CVE-2025-71301
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2025-71301
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2025-71301
Ubuntu:24.04:LTSlinux-nvidia-6.11no fix listedUBUNTU-CVE-2025-71301
Ubuntu:24.04:LTSlinux-nvidia-6.17no fix listedUBUNTU-CVE-2025-71301
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2025-71301
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2025-71301
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2025-71301
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2025-71301
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2025-71301
Ubuntu:24.04:LTSlinux-oem-6.11no fix listedUBUNTU-CVE-2025-71301
Ubuntu:24.04:LTSlinux-oem-6.14no fix listedUBUNTU-CVE-2025-71301
Ubuntu:24.04:LTSlinux-oem-6.17no fix listedUBUNTU-CVE-2025-71301
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2025-71301
Ubuntu:24.04:LTSlinux-oem-6.8no fix listedUBUNTU-CVE-2025-71301
Ubuntu:25.10linux-oracleno fix listedUBUNTU-CVE-2025-71301
Ubuntu:24.04:LTSlinux-oracle-6.14no fix listedUBUNTU-CVE-2025-71301
Ubuntu:24.04:LTSlinux-oracle-6.17no fix listedUBUNTU-CVE-2025-71301
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2025-71301
Ubuntu:25.10linux-raspino fix listedUBUNTU-CVE-2025-71301
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2025-71301
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2025-71301
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2025-71301
Ubuntu:25.10linux-realtimeno fix listedUBUNTU-CVE-2025-71301
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2025-71301
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2025-71301
Ubuntu:25.10linux-riscvno fix listedUBUNTU-CVE-2025-71301
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2025-71301
Ubuntu:24.04:LTSlinux-riscv-6.14no fix listedUBUNTU-CVE-2025-71301
Ubuntu:24.04:LTSlinux-riscv-6.17no fix listedUBUNTU-CVE-2025-71301
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2025-71301
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2025-71301
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2025-71301
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2025-71301

Affected products (as reported)

VendorProductVersions
Linux Linux 954907f7147dc43e0d1cd4d430c21d143d5fdf55 – before 6b953d92f2f29e74b125617c6f00300fa1bed97e954907f7147dc43e0d1cd4d430c21d143d5fdf55 – before e7b7022f11d3cf281c726117478696b83681bf11954907f7147dc43e0d1cd4d430c21d143d5fdf55 – before cda83b099f117f2a28a77bf467af934cb39e49cf
Linux Linux 6.16

References