{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-80594","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-08-26T14:34:25.770Z","datePublished":"2026-08-28T06:48:21.426Z","dateUpdated":"2026-08-28T06:48:21.426Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-08-28T06:48:21.426Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nInput: ims-pcu - fix potential infinite loop in CDC union descriptor parsing\n\nThe driver parses CDC union descriptors in ims_pcu_get_cdc_union_desc()\nby iterating through the extra descriptor data. However, it does not\nverify that the bLength of each descriptor is at least 2. A malicious\ndevice could provide a descriptor with bLength = 0, leading to an\ninfinite loop in the driver.\n\nAdd a check to ensure bLength is at least 2 before proceeding with\nparsing."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/input/misc/ims-pcu.c"],"versions":[{"version":"628329d52474323938a03826941e166bc7c8eff4","lessThan":"67a038c5a7c9bd8aabe6fba8ac9d2e31c0bd5a28","status":"affected","versionType":"git"},{"version":"628329d52474323938a03826941e166bc7c8eff4","lessThan":"6314bd9e2a6b3362998dc85485dd4b0f133a3532","status":"affected","versionType":"git"},{"version":"628329d52474323938a03826941e166bc7c8eff4","lessThan":"76eeeb3a8e3c13d5c0ef28666b57dcb5cc101a32","status":"affected","versionType":"git"},{"version":"628329d52474323938a03826941e166bc7c8eff4","lessThan":"e3f93d63dcd48c1f0ba9041f2ffa8aea7170e295","status":"affected","versionType":"git"},{"version":"628329d52474323938a03826941e166bc7c8eff4","lessThan":"b847f2725ef47a26b3d01eca3d54fd811e5a544d","status":"affected","versionType":"git"},{"version":"628329d52474323938a03826941e166bc7c8eff4","lessThan":"383934c249a9817d242d02d30bfbc8defbf0d533","status":"affected","versionType":"git"},{"version":"628329d52474323938a03826941e166bc7c8eff4","lessThan":"bbbe31486cf2d12177462e4a814244c2597c9849","status":"affected","versionType":"git"},{"version":"628329d52474323938a03826941e166bc7c8eff4","lessThan":"d4579af29e67ca8722db0a1194227f8015c8981d","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/input/misc/ims-pcu.c"],"versions":[{"version":"3.10","status":"affected"},{"version":"0","lessThan":"3.10","status":"unaffected","versionType":"semver"},{"version":"5.10.261","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.212","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.178","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.145","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.97","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.40","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.1.5","lessThanOrEqual":"7.1.*","status":"unaffected","versionType":"semver"},{"version":"7.2","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"5.10.261"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"5.15.212"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"6.1.178"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"6.6.145"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"6.12.97"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"6.18.40"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"7.1.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"7.2"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/67a038c5a7c9bd8aabe6fba8ac9d2e31c0bd5a28"},{"url":"https://git.kernel.org/stable/c/6314bd9e2a6b3362998dc85485dd4b0f133a3532"},{"url":"https://git.kernel.org/stable/c/76eeeb3a8e3c13d5c0ef28666b57dcb5cc101a32"},{"url":"https://git.kernel.org/stable/c/e3f93d63dcd48c1f0ba9041f2ffa8aea7170e295"},{"url":"https://git.kernel.org/stable/c/b847f2725ef47a26b3d01eca3d54fd811e5a544d"},{"url":"https://git.kernel.org/stable/c/383934c249a9817d242d02d30bfbc8defbf0d533"},{"url":"https://git.kernel.org/stable/c/bbbe31486cf2d12177462e4a814244c2597c9849"},{"url":"https://git.kernel.org/stable/c/d4579af29e67ca8722db0a1194227f8015c8981d"}],"title":"Input: ims-pcu - fix potential infinite loop in CDC union descriptor parsing","x_generator":{"engine":"bippy-1.2.0"}}}}