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Vulnerability · Published May 8, 2026 · Assigned by Linux

CVE-2025-71296drm/tests: shmem: Hold reservation lock around purge

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 purge Acquire and release the GEM object's reservation lock around calls to the object's purge operation. The tests use drm_gem_shmem_purge_locked(), which led to errors such as show below. [ 58.709128] WARNING: CPU: 1 PID: 1354 at drivers/gpu/drm/drm_gem_shmem_helper.c:515 drm_gem_shmem_purge_locked+0x51c/0x740 Only export the new helper drm_gem_shmem_purge() for Kunit tests. This is not an interface for regular drivers.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:14linux6.19.6-1DEBIAN-CVE-2025-71296
Ubuntu:25.10linuxno fix listedUBUNTU-CVE-2025-71296
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2025-71296
Ubuntu:25.10linux-awsno fix listedUBUNTU-CVE-2025-71296
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2025-71296
Ubuntu:24.04:LTSlinux-aws-6.14no fix listedUBUNTU-CVE-2025-71296
Ubuntu:24.04:LTSlinux-aws-6.17no fix listedUBUNTU-CVE-2025-71296
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2025-71296
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2025-71296
Ubuntu:25.10linux-azureno fix listedUBUNTU-CVE-2025-71296
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2025-71296
Ubuntu:24.04:LTSlinux-azure-6.11no fix listedUBUNTU-CVE-2025-71296
Ubuntu:24.04:LTSlinux-azure-6.17no fix listedUBUNTU-CVE-2025-71296
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2025-71296
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2025-71296
Ubuntu:25.10linux-azure-fdeno fix listedUBUNTU-CVE-2025-71296
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2025-71296
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2025-71296
Ubuntu:25.10linux-gcpno fix listedUBUNTU-CVE-2025-71296
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2025-71296
Ubuntu:24.04:LTSlinux-gcp-6.11no fix listedUBUNTU-CVE-2025-71296
Ubuntu:24.04:LTSlinux-gcp-6.14no fix listedUBUNTU-CVE-2025-71296
Ubuntu:24.04:LTSlinux-gcp-6.17no fix listedUBUNTU-CVE-2025-71296
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2025-71296
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2025-71296
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2025-71296
Ubuntu:24.04:LTSlinux-hwe-6.11no fix listedUBUNTU-CVE-2025-71296
Ubuntu:24.04:LTSlinux-hwe-6.14no fix listedUBUNTU-CVE-2025-71296
Ubuntu:24.04:LTSlinux-hwe-6.17no fix listedUBUNTU-CVE-2025-71296
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2025-71296
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2025-71296
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2025-71296
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2025-71296
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.11no fix listedUBUNTU-CVE-2025-71296
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2025-71296
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2025-71296
Ubuntu:24.04:LTSlinux-nvidia-6.11no fix listedUBUNTU-CVE-2025-71296
Ubuntu:24.04:LTSlinux-nvidia-6.17no fix listedUBUNTU-CVE-2025-71296
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2025-71296
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2025-71296
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2025-71296
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2025-71296
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2025-71296
Ubuntu:24.04:LTSlinux-oem-6.11no fix listedUBUNTU-CVE-2025-71296
Ubuntu:24.04:LTSlinux-oem-6.14no fix listedUBUNTU-CVE-2025-71296
Ubuntu:24.04:LTSlinux-oem-6.17no fix listedUBUNTU-CVE-2025-71296
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2025-71296
Ubuntu:24.04:LTSlinux-oem-6.8no fix listedUBUNTU-CVE-2025-71296
Ubuntu:25.10linux-oracleno fix listedUBUNTU-CVE-2025-71296
Ubuntu:24.04:LTSlinux-oracle-6.14no fix listedUBUNTU-CVE-2025-71296
Ubuntu:24.04:LTSlinux-oracle-6.17no fix listedUBUNTU-CVE-2025-71296
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2025-71296
Ubuntu:25.10linux-raspino fix listedUBUNTU-CVE-2025-71296
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2025-71296
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2025-71296
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2025-71296
Ubuntu:25.10linux-realtimeno fix listedUBUNTU-CVE-2025-71296
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2025-71296
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2025-71296
Ubuntu:25.10linux-riscvno fix listedUBUNTU-CVE-2025-71296
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2025-71296
Ubuntu:24.04:LTSlinux-riscv-6.14no fix listedUBUNTU-CVE-2025-71296
Ubuntu:24.04:LTSlinux-riscv-6.17no fix listedUBUNTU-CVE-2025-71296
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2025-71296
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2025-71296
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2025-71296
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2025-71296

Affected products (as reported)

VendorProductVersions
Linux Linux 954907f7147dc43e0d1cd4d430c21d143d5fdf55 – before cdf8bbbd9017adcfb91ad9a902198d4b507719a9954907f7147dc43e0d1cd4d430c21d143d5fdf55 – before 8baeee2c1c0cdb3a8eac3b8f38156cce6ee1a69f954907f7147dc43e0d1cd4d430c21d143d5fdf55 – before 3f41307d589c2f25d556d47b165df808124cd0c4
Linux Linux 6.16

References