{"id":"CVE-2025-38467","state":"PUBLISHED","title":"drm/exynos: exynos7_drm_decon: add vblank check in IRQ handling","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/exynos: exynos7_drm_decon: add vblank check in IRQ handling\n\nIf there's support for another console device (such as a TTY serial),\nthe kernel occasionally panics during boot. The panic message and a\nrelevant snippet of the call stack is as follows:\n\n  Unable to handle kernel NULL pointer dereference at virtual address 000000000000000\n  Call trace:\n    drm_crtc_handle_vblank+0x10/0x30 (P)\n    decon_irq_handler+0x88/0xb4\n    [...]\n\nOtherwise, the panics don't happen. This indicates that it's some sort\nof race condition.\n\nAdd a check to validate if the drm device can handle vblanks before\ncalling drm_crtc_handle_vblank() to avoid this.","publishedAt":"2025-07-25T15:27:49.045Z","updatedAt":"2026-05-11T21:28:34.547Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"96976c3d9aff4e1387c30f6356ac01fa6f72ef46","status":"affected","lessThan":"b4e72c0bf878f02faa00a7dc7c9ffc4ff7c116a7","versionType":"git"},{"version":"96976c3d9aff4e1387c30f6356ac01fa6f72ef46","status":"affected","lessThan":"a2130463fc9451005660b0eda7b61d5f746f7d74","versionType":"git"},{"version":"96976c3d9aff4e1387c30f6356ac01fa6f72ef46","status":"affected","lessThan":"87825fbd1e176cd5b896940f3959e7c9a916945d","versionType":"git"},{"version":"96976c3d9aff4e1387c30f6356ac01fa6f72ef46","status":"affected","lessThan":"a40a35166f7e4f6dcd4b087d620c8228922dcb0a","versionType":"git"},{"version":"96976c3d9aff4e1387c30f6356ac01fa6f72ef46","status":"affected","lessThan":"391e5ea5b877230b844c9bd8bbcd91b681b1ce2d","versionType":"git"},{"version":"96976c3d9aff4e1387c30f6356ac01fa6f72ef46","status":"affected","lessThan":"e9d9b25f376737b81f06de9c5aa422b488f47184","versionType":"git"},{"version":"96976c3d9aff4e1387c30f6356ac01fa6f72ef46","status":"affected","lessThan":"996740652e620ef8ee1e5c65832cf2ffa498577d","versionType":"git"},{"version":"96976c3d9aff4e1387c30f6356ac01fa6f72ef46","status":"affected","lessThan":"b846350aa272de99bf6fecfa6b08e64ebfb13173","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/exynos/exynos7_drm_decon.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.0","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.0","versionType":"semver"},{"version":"5.4.296","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.240","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.189","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.146","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.99","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.39","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.15.7","status":"unaffected","lessThanOrEqual":"6.15.*","versionType":"semver"},{"version":"6.16","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/exynos/exynos7_drm_decon.c"]}],"references":["https://git.kernel.org/stable/c/b4e72c0bf878f02faa00a7dc7c9ffc4ff7c116a7","https://git.kernel.org/stable/c/a2130463fc9451005660b0eda7b61d5f746f7d74","https://git.kernel.org/stable/c/87825fbd1e176cd5b896940f3959e7c9a916945d","https://git.kernel.org/stable/c/a40a35166f7e4f6dcd4b087d620c8228922dcb0a","https://git.kernel.org/stable/c/391e5ea5b877230b844c9bd8bbcd91b681b1ce2d","https://git.kernel.org/stable/c/e9d9b25f376737b81f06de9c5aa422b488f47184","https://git.kernel.org/stable/c/996740652e620ef8ee1e5c65832cf2ffa498577d","https://git.kernel.org/stable/c/b846350aa272de99bf6fecfa6b08e64ebfb13173","https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html","https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:09.358Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/38xxx/CVE-2025-38467.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-38467","state":"PUBLISHED","datePublished":"2025-07-25T15:27:49.045Z","dateUpdated":"2026-05-11T21:28:34.547Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-04-16T04:51:24.020Z"},"containers":{"cna":{"title":"drm/exynos: exynos7_drm_decon: add vblank check in IRQ handling","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/exynos: exynos7_drm_decon: add vblank check in IRQ handling\n\nIf there's support for another console device (such as a TTY serial),\nthe kernel occasionally panics during boot. The panic message and a\nrelevant snippet of the call stack is as follows:\n\n  Unable to handle kernel NULL pointer dereference at virtual address 000000000000000\n  Call trace:\n    drm_crtc_handle_vblank+0x10/0x30 (P)\n    decon_irq_handler+0x88/0xb4\n    [...]\n\nOtherwise, the panics don't happen. This indicates that it's some sort\nof race condition.\n\nAdd a check to validate if the drm device can handle vblanks before\ncalling drm_crtc_handle_vblank() to avoid this."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"96976c3d9aff4e1387c30f6356ac01fa6f72ef46","status":"affected","lessThan":"b4e72c0bf878f02faa00a7dc7c9ffc4ff7c116a7","versionType":"git"},{"version":"96976c3d9aff4e1387c30f6356ac01fa6f72ef46","status":"affected","lessThan":"a2130463fc9451005660b0eda7b61d5f746f7d74","versionType":"git"},{"version":"96976c3d9aff4e1387c30f6356ac01fa6f72ef46","status":"affected","lessThan":"87825fbd1e176cd5b896940f3959e7c9a916945d","versionType":"git"},{"version":"96976c3d9aff4e1387c30f6356ac01fa6f72ef46","status":"affected","lessThan":"a40a35166f7e4f6dcd4b087d620c8228922dcb0a","versionType":"git"},{"version":"96976c3d9aff4e1387c30f6356ac01fa6f72ef46","status":"affected","lessThan":"391e5ea5b877230b844c9bd8bbcd91b681b1ce2d","versionType":"git"},{"version":"96976c3d9aff4e1387c30f6356ac01fa6f72ef46","status":"affected","lessThan":"e9d9b25f376737b81f06de9c5aa422b488f47184","versionType":"git"},{"version":"96976c3d9aff4e1387c30f6356ac01fa6f72ef46","status":"affected","lessThan":"996740652e620ef8ee1e5c65832cf2ffa498577d","versionType":"git"},{"version":"96976c3d9aff4e1387c30f6356ac01fa6f72ef46","status":"affected","lessThan":"b846350aa272de99bf6fecfa6b08e64ebfb13173","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/exynos/exynos7_drm_decon.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.0","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.0","versionType":"semver"},{"version":"5.4.296","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.240","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.189","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.146","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.99","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.39","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.15.7","status":"unaffected","lessThanOrEqual":"6.15.*","versionType":"semver"},{"version":"6.16","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/exynos/exynos7_drm_decon.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/b4e72c0bf878f02faa00a7dc7c9ffc4ff7c116a7"},{"url":"https://git.kernel.org/stable/c/a2130463fc9451005660b0eda7b61d5f746f7d74"},{"url":"https://git.kernel.org/stable/c/87825fbd1e176cd5b896940f3959e7c9a916945d"},{"url":"https://git.kernel.org/stable/c/a40a35166f7e4f6dcd4b087d620c8228922dcb0a"},{"url":"https://git.kernel.org/stable/c/391e5ea5b877230b844c9bd8bbcd91b681b1ce2d"},{"url":"https://git.kernel.org/stable/c/e9d9b25f376737b81f06de9c5aa422b488f47184"},{"url":"https://git.kernel.org/stable/c/996740652e620ef8ee1e5c65832cf2ffa498577d"},{"url":"https://git.kernel.org/stable/c/b846350aa272de99bf6fecfa6b08e64ebfb13173"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T21:28:34.547Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.0","versionEndExcluding":"5.4.296"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.0","versionEndExcluding":"5.10.240"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.0","versionEndExcluding":"5.15.189"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.0","versionEndExcluding":"6.1.146"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.0","versionEndExcluding":"6.6.99"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.0","versionEndExcluding":"6.12.39"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.0","versionEndExcluding":"6.15.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.0","versionEndExcluding":"6.16"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CVE 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