{"id":"CVE-2025-71296","state":"PUBLISHED","title":"drm/tests: shmem: Hold reservation lock around purge","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/tests: shmem: Hold reservation lock around purge\n\nAcquire and release the GEM object's reservation lock around calls\nto the object's purge operation. The tests use\ndrm_gem_shmem_purge_locked(), which led to errors such as show below.\n\n[   58.709128] WARNING: CPU: 1 PID: 1354 at drivers/gpu/drm/drm_gem_shmem_helper.c:515 drm_gem_shmem_purge_locked+0x51c/0x740\n\nOnly export the new helper drm_gem_shmem_purge() for Kunit tests.\nThis is not an interface for regular drivers.","publishedAt":"2026-05-08T13:11:08.251Z","updatedAt":"2026-05-11T21:57:27.350Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"954907f7147dc43e0d1cd4d430c21d143d5fdf55","status":"affected","lessThan":"cdf8bbbd9017adcfb91ad9a902198d4b507719a9","versionType":"git"},{"version":"954907f7147dc43e0d1cd4d430c21d143d5fdf55","status":"affected","lessThan":"8baeee2c1c0cdb3a8eac3b8f38156cce6ee1a69f","versionType":"git"},{"version":"954907f7147dc43e0d1cd4d430c21d143d5fdf55","status":"affected","lessThan":"3f41307d589c2f25d556d47b165df808124cd0c4","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/drm_gem_shmem_helper.c","drivers/gpu/drm/tests/drm_gem_shmem_test.c","include/drm/drm_gem_shmem_helper.h"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.16","versionType":"semver"},{"version":"6.18.16","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.6","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/drm_gem_shmem_helper.c","drivers/gpu/drm/tests/drm_gem_shmem_test.c","include/drm/drm_gem_shmem_helper.h"]}],"references":["https://git.kernel.org/stable/c/cdf8bbbd9017adcfb91ad9a902198d4b507719a9","https://git.kernel.org/stable/c/8baeee2c1c0cdb3a8eac3b8f38156cce6ee1a69f","https://git.kernel.org/stable/c/3f41307d589c2f25d556d47b165df808124cd0c4"],"weaknesses":[],"ingestedAt":"2026-10-29T20:10:04.440Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/71xxx/CVE-2025-71296.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-71296","state":"PUBLISHED","datePublished":"2026-05-08T13:11:08.251Z","dateUpdated":"2026-05-11T21:57:27.350Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-05-06T11:31:45.510Z"},"containers":{"cna":{"title":"drm/tests: shmem: Hold reservation lock around purge","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/tests: shmem: Hold reservation lock around purge\n\nAcquire and release the GEM object's reservation lock around calls\nto the object's purge operation. The tests use\ndrm_gem_shmem_purge_locked(), which led to errors such as show below.\n\n[   58.709128] WARNING: CPU: 1 PID: 1354 at drivers/gpu/drm/drm_gem_shmem_helper.c:515 drm_gem_shmem_purge_locked+0x51c/0x740\n\nOnly export the new helper drm_gem_shmem_purge() for Kunit tests.\nThis is not an interface for regular drivers."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"954907f7147dc43e0d1cd4d430c21d143d5fdf55","status":"affected","lessThan":"cdf8bbbd9017adcfb91ad9a902198d4b507719a9","versionType":"git"},{"version":"954907f7147dc43e0d1cd4d430c21d143d5fdf55","status":"affected","lessThan":"8baeee2c1c0cdb3a8eac3b8f38156cce6ee1a69f","versionType":"git"},{"version":"954907f7147dc43e0d1cd4d430c21d143d5fdf55","status":"affected","lessThan":"3f41307d589c2f25d556d47b165df808124cd0c4","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/drm_gem_shmem_helper.c","drivers/gpu/drm/tests/drm_gem_shmem_test.c","include/drm/drm_gem_shmem_helper.h"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.16","versionType":"semver"},{"version":"6.18.16","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.6","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/drm_gem_shmem_helper.c","drivers/gpu/drm/tests/drm_gem_shmem_test.c","include/drm/drm_gem_shmem_helper.h"]}],"references":[{"url":"https://git.kernel.org/stable/c/cdf8bbbd9017adcfb91ad9a902198d4b507719a9"},{"url":"https://git.kernel.org/stable/c/8baeee2c1c0cdb3a8eac3b8f38156cce6ee1a69f"},{"url":"https://git.kernel.org/stable/c/3f41307d589c2f25d556d47b165df808124cd0c4"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T21:57:27.350Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.16","versionEndExcluding":"6.18.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.16","versionEndExcluding":"6.19.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.16","versionEndExcluding":"7.0"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}