{"id":"CVE-2026-43257","title":"media: cx88: Add missing unmap in snd_cx88_hw_params()","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: cx88: Add missing unmap in snd_cx88_hw_params()\n\nIn error path, add cx88_alsa_dma_unmap() to release\nresource acquired by cx88_alsa_dma_map().","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= b2c75abde0debfb824f72845c3ed77d4b66798a0 < f0d7f735eba963742009b0706e19dd0bed91537a","Linux >= b2c75abde0debfb824f72845c3ed77d4b66798a0 < dc911fccc6e08ef46a66b2a42a764252b001ee3c","Linux >= b2c75abde0debfb824f72845c3ed77d4b66798a0 < 24f3dabeb97bd0bec8c1c926c97e3eb6a8129225","Linux >= b2c75abde0debfb824f72845c3ed77d4b66798a0 < 10ab64f8efc2f479293dce929fde326c285fc96f","Linux >= b2c75abde0debfb824f72845c3ed77d4b66798a0 < e3fb15aadfc8643203bbdf97ace0396e4586fa64","Linux >= b2c75abde0debfb824f72845c3ed77d4b66798a0 < 1ce8c2a8f050a23240553c8bae628ac623f9dbc1","Linux >= b2c75abde0debfb824f72845c3ed77d4b66798a0 < 3baefeeb7b85e1e34eebef399ffa312be7179e30","Linux >= b2c75abde0debfb824f72845c3ed77d4b66798a0 < dbc527d980f7ba8559de38f8c1e4158c71a78915","Linux 3.19"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-06T15:31:37.833374Z"},"published":"2026-05-06","updated":"2026-11-06","sourceUpdated":"2026-11-06T15:32:37.678Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-43257","references":[{"url":"https://git.kernel.org/stable/c/f0d7f735eba963742009b0706e19dd0bed91537a"},{"url":"https://git.kernel.org/stable/c/dc911fccc6e08ef46a66b2a42a764252b001ee3c"},{"url":"https://git.kernel.org/stable/c/24f3dabeb97bd0bec8c1c926c97e3eb6a8129225"},{"url":"https://git.kernel.org/stable/c/10ab64f8efc2f479293dce929fde326c285fc96f"},{"url":"https://git.kernel.org/stable/c/e3fb15aadfc8643203bbdf97ace0396e4586fa64"},{"url":"https://git.kernel.org/stable/c/1ce8c2a8f050a23240553c8bae628ac623f9dbc1"},{"url":"https://git.kernel.org/stable/c/3baefeeb7b85e1e34eebef399ffa312be7179e30"},{"url":"https://git.kernel.org/stable/c/dbc527d980f7ba8559de38f8c1e4158c71a78915"}],"tags":["cve.org"],"epss":0.00128,"epssPercentile":0.02475,"ingestedAt":"2026-11-06T15:54:04.004Z","slug":"CVE-2026-43257","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nmedia: cx88: Add missing unmap in snd_cx88_hw_params()\n\nIn error path, add cx88_alsa_dma_unmap() to release\nresource acquired by cx88_alsa_dma_map().\n\n## Affected\n\n- `Linux >= b2c75abde0debfb824f72845c3ed77d4b66798a0 < f0d7f735eba963742009b0706e19dd0bed91537a`\n- `Linux >= b2c75abde0debfb824f72845c3ed77d4b66798a0 < dc911fccc6e08ef46a66b2a42a764252b001ee3c`\n- `Linux >= b2c75abde0debfb824f72845c3ed77d4b66798a0 < 24f3dabeb97bd0bec8c1c926c97e3eb6a8129225`\n- `Linux >= b2c75abde0debfb824f72845c3ed77d4b66798a0 < 10ab64f8efc2f479293dce929fde326c285fc96f`\n- `Linux >= b2c75abde0debfb824f72845c3ed77d4b66798a0 < e3fb15aadfc8643203bbdf97ace0396e4586fa64`\n- `Linux >= b2c75abde0debfb824f72845c3ed77d4b66798a0 < 1ce8c2a8f050a23240553c8bae628ac623f9dbc1`\n- `Linux >= b2c75abde0debfb824f72845c3ed77d4b66798a0 < 3baefeeb7b85e1e34eebef399ffa312be7179e30`\n- `Linux >= b2c75abde0debfb824f72845c3ed77d4b66798a0 < dbc527d980f7ba8559de38f8c1e4158c71a78915`\n- `Linux 3.19`\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":[]}