{"id":"CVE-2026-68226","title":"media: cx23885: add ioremap return check and cleanup","summary":"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 t…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= d19770e5178a4bc49641711246360c25781d20a4 < f58f4b571bd75c78bbf15441086ba0c2830c1aa5","Linux >= d19770e5178a4bc49641711246360c25781d20a4 < 9052fec0bb84eace81ac7bad071266052870cdf3","Linux >= d19770e5178a4bc49641711246360c25781d20a4 < 6a7636e3d5204fb18fdf1c3f909a3d9d9e24064c","Linux >= d19770e5178a4bc49641711246360c25781d20a4 < 8fbdca4c99f68734e9b6c030973fb61a11bede15","Linux >= d19770e5178a4bc49641711246360c25781d20a4 < 83540d86d717735b52a43e4ba1b784da5cc2310a","Linux >= d19770e5178a4bc49641711246360c25781d20a4 < c68c4ce72feb6fcccc843eb3baa7af60189ed567","Linux >= d19770e5178a4bc49641711246360c25781d20a4 < ff3c670a1de3a714f5644e37b9446fe7c3299fd3","Linux >= d19770e5178a4bc49641711246360c25781d20a4 < a0701e387b46e2481c05b47f1235b954bfc2af3e","Linux 2.6.24"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-06T16:45:06.210576Z"},"published":"2026-08-10","updated":"2026-11-06","sourceUpdated":"2026-11-06T16:55:09.947Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-68226","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"}],"tags":["cve.org"],"epss":0.0022,"epssPercentile":0.12606,"ingestedAt":"2026-11-06T18:00:12.619Z","slug":"CVE-2026-68226","body":"## Overview\n\nIn 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.\n\n## Affected\n\n- `Linux >= d19770e5178a4bc49641711246360c25781d20a4 < f58f4b571bd75c78bbf15441086ba0c2830c1aa5`\n- `Linux >= d19770e5178a4bc49641711246360c25781d20a4 < 9052fec0bb84eace81ac7bad071266052870cdf3`\n- `Linux >= d19770e5178a4bc49641711246360c25781d20a4 < 6a7636e3d5204fb18fdf1c3f909a3d9d9e24064c`\n- `Linux >= d19770e5178a4bc49641711246360c25781d20a4 < 8fbdca4c99f68734e9b6c030973fb61a11bede15`\n- `Linux >= d19770e5178a4bc49641711246360c25781d20a4 < 83540d86d717735b52a43e4ba1b784da5cc2310a`\n- `Linux >= d19770e5178a4bc49641711246360c25781d20a4 < c68c4ce72feb6fcccc843eb3baa7af60189ed567`\n- `Linux >= d19770e5178a4bc49641711246360c25781d20a4 < ff3c670a1de3a714f5644e37b9446fe7c3299fd3`\n- `Linux >= d19770e5178a4bc49641711246360c25781d20a4 < a0701e387b46e2481c05b47f1235b954bfc2af3e`\n- `Linux 2.6.24`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}