{"id":"CVE-2026-68226","state":"PUBLISHED","title":"media: cx23885: add ioremap return check and cleanup","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: cx23885: add ioremap return check and cleanup\n\nAdd a check for the return value of pci_ioremap_bar()\nin cx23885_dev_setup().\nIf ioremap for BAR0 fails, release the already allocated\nPCI memory region,\ndecrement the device count, and return -ENODEV.\n\nThis prevents a potential null pointer dereference and\nensures proper cleanup\non memory mapping failure.","publishedAt":"2026-08-10T12:00:48.349Z","updatedAt":"2026-08-19T16:31:56.630Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"d19770e5178a4bc49641711246360c25781d20a4","status":"affected","lessThan":"f58f4b571bd75c78bbf15441086ba0c2830c1aa5","versionType":"git"},{"version":"d19770e5178a4bc49641711246360c25781d20a4","status":"affected","lessThan":"9052fec0bb84eace81ac7bad071266052870cdf3","versionType":"git"},{"version":"d19770e5178a4bc49641711246360c25781d20a4","status":"affected","lessThan":"6a7636e3d5204fb18fdf1c3f909a3d9d9e24064c","versionType":"git"},{"version":"d19770e5178a4bc49641711246360c25781d20a4","status":"affected","lessThan":"8fbdca4c99f68734e9b6c030973fb61a11bede15","versionType":"git"},{"version":"d19770e5178a4bc49641711246360c25781d20a4","status":"affected","lessThan":"83540d86d717735b52a43e4ba1b784da5cc2310a","versionType":"git"},{"version":"d19770e5178a4bc49641711246360c25781d20a4","status":"affected","lessThan":"c68c4ce72feb6fcccc843eb3baa7af60189ed567","versionType":"git"},{"version":"d19770e5178a4bc49641711246360c25781d20a4","status":"affected","lessThan":"ff3c670a1de3a714f5644e37b9446fe7c3299fd3","versionType":"git"},{"version":"d19770e5178a4bc49641711246360c25781d20a4","status":"affected","lessThan":"a0701e387b46e2481c05b47f1235b954bfc2af3e","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/pci/cx23885/cx23885-core.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.24","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.24","versionType":"semver"},{"version":"5.10.265","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.216","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.183","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.148","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.101","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.42","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.6","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/pci/cx23885/cx23885-core.c"]}],"references":["https://git.kernel.org/stable/c/f58f4b571bd75c78bbf15441086ba0c2830c1aa5","https://git.kernel.org/stable/c/9052fec0bb84eace81ac7bad071266052870cdf3","https://git.kernel.org/stable/c/6a7636e3d5204fb18fdf1c3f909a3d9d9e24064c","https://git.kernel.org/stable/c/8fbdca4c99f68734e9b6c030973fb61a11bede15","https://git.kernel.org/stable/c/83540d86d717735b52a43e4ba1b784da5cc2310a","https://git.kernel.org/stable/c/c68c4ce72feb6fcccc843eb3baa7af60189ed567","https://git.kernel.org/stable/c/ff3c670a1de3a714f5644e37b9446fe7c3299fd3","https://git.kernel.org/stable/c/a0701e387b46e2481c05b47f1235b954bfc2af3e"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:49.727Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/68xxx/CVE-2026-68226.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-68226","state":"PUBLISHED","datePublished":"2026-08-10T12:00:48.349Z","dateUpdated":"2026-08-19T16:31:56.630Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-07-30T09:28:09.376Z"},"containers":{"cna":{"title":"media: cx23885: add ioremap return check and cleanup","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: cx23885: add ioremap return check and cleanup\n\nAdd a check for the return value of pci_ioremap_bar()\nin cx23885_dev_setup().\nIf ioremap for BAR0 fails, release the already allocated\nPCI memory region,\ndecrement the device count, and return -ENODEV.\n\nThis prevents a potential null pointer dereference and\nensures proper cleanup\non memory mapping failure."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"d19770e5178a4bc49641711246360c25781d20a4","status":"affected","lessThan":"f58f4b571bd75c78bbf15441086ba0c2830c1aa5","versionType":"git"},{"version":"d19770e5178a4bc49641711246360c25781d20a4","status":"affected","lessThan":"9052fec0bb84eace81ac7bad071266052870cdf3","versionType":"git"},{"version":"d19770e5178a4bc49641711246360c25781d20a4","status":"affected","lessThan":"6a7636e3d5204fb18fdf1c3f909a3d9d9e24064c","versionType":"git"},{"version":"d19770e5178a4bc49641711246360c25781d20a4","status":"affected","lessThan":"8fbdca4c99f68734e9b6c030973fb61a11bede15","versionType":"git"},{"version":"d19770e5178a4bc49641711246360c25781d20a4","status":"affected","lessThan":"83540d86d717735b52a43e4ba1b784da5cc2310a","versionType":"git"},{"version":"d19770e5178a4bc49641711246360c25781d20a4","status":"affected","lessThan":"c68c4ce72feb6fcccc843eb3baa7af60189ed567","versionType":"git"},{"version":"d19770e5178a4bc49641711246360c25781d20a4","status":"affected","lessThan":"ff3c670a1de3a714f5644e37b9446fe7c3299fd3","versionType":"git"},{"version":"d19770e5178a4bc49641711246360c25781d20a4","status":"affected","lessThan":"a0701e387b46e2481c05b47f1235b954bfc2af3e","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/pci/cx23885/cx23885-core.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.24","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.24","versionType":"semver"},{"version":"5.10.265","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.216","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.183","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.148","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.101","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.42","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.6","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/pci/cx23885/cx23885-core.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/f58f4b571bd75c78bbf15441086ba0c2830c1aa5"},{"url":"https://git.kernel.org/stable/c/9052fec0bb84eace81ac7bad071266052870cdf3"},{"url":"https://git.kernel.org/stable/c/6a7636e3d5204fb18fdf1c3f909a3d9d9e24064c"},{"url":"https://git.kernel.org/stable/c/8fbdca4c99f68734e9b6c030973fb61a11bede15"},{"url":"https://git.kernel.org/stable/c/83540d86d717735b52a43e4ba1b784da5cc2310a"},{"url":"https://git.kernel.org/stable/c/c68c4ce72feb6fcccc843eb3baa7af60189ed567"},{"url":"https://git.kernel.org/stable/c/ff3c670a1de3a714f5644e37b9446fe7c3299fd3"},{"url":"https://git.kernel.org/stable/c/a0701e387b46e2481c05b47f1235b954bfc2af3e"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-08-19T16:31:56.630Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.24","versionEndExcluding":"5.10.265"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.24","versionEndExcluding":"5.15.216"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.24","versionEndExcluding":"6.1.183"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.24","versionEndExcluding":"6.6.148"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.24","versionEndExcluding":"6.12.101"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.24","versionEndExcluding":"6.18.42"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.24","versionEndExcluding":"7.1.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.24","versionEndExcluding":"7.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}