{"id":"CVE-2026-72079","state":"PUBLISHED","title":"Input: ims-pcu - fix use-after-free and double-free in disconnect","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nInput: ims-pcu - fix use-after-free and double-free in disconnect\n\nims_pcu_disconnect() only intended to perform cleanup when the primary\n(control) interface is unbound. However, it currently relies on the\ninterface class to distinguish between control and data interfaces.\nA malicious device could present a data interface with the same class\nas the control interface, leading to premature cleanup and potential\nuse-after-free or double-free.\n\nSwitch to verifying that the interface being disconnected is indeed\nthe control interface.","publishedAt":"2026-08-15T05:52:29.096Z","updatedAt":"2026-08-17T05:07:48.078Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"628329d52474323938a03826941e166bc7c8eff4","status":"affected","lessThan":"315f269ea04bc1477ab9bf351e939623d12a1621","versionType":"git"},{"version":"628329d52474323938a03826941e166bc7c8eff4","status":"affected","lessThan":"293388e42e5c0865204de6f36bfb8662156fce3b","versionType":"git"},{"version":"628329d52474323938a03826941e166bc7c8eff4","status":"affected","lessThan":"921abbb33887052e46b1b77299f87a3c741dc580","versionType":"git"},{"version":"628329d52474323938a03826941e166bc7c8eff4","status":"affected","lessThan":"6a6c373e6a82eddc522342c8a8db7072c65f2b56","versionType":"git"},{"version":"628329d52474323938a03826941e166bc7c8eff4","status":"affected","lessThan":"a4b3f4d42fbf58f06f0d49e37a9d0d9392eca338","versionType":"git"},{"version":"628329d52474323938a03826941e166bc7c8eff4","status":"affected","lessThan":"6aacc18004b1a915ccb8a829d30279a37988066e","versionType":"git"},{"version":"628329d52474323938a03826941e166bc7c8eff4","status":"affected","lessThan":"bf0b58ba489d0bdaa18c7dd8beeaeb954dd7dbb7","versionType":"git"},{"version":"628329d52474323938a03826941e166bc7c8eff4","status":"affected","lessThan":"462a999917755a3bf77448dfd64307963cf0a9f0","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/input/misc/ims-pcu.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.10","versionType":"semver"},{"version":"5.10.261","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.212","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.178","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.145","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.97","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.40","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.5","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/input/misc/ims-pcu.c"]}],"references":["https://git.kernel.org/stable/c/315f269ea04bc1477ab9bf351e939623d12a1621","https://git.kernel.org/stable/c/293388e42e5c0865204de6f36bfb8662156fce3b","https://git.kernel.org/stable/c/921abbb33887052e46b1b77299f87a3c741dc580","https://git.kernel.org/stable/c/6a6c373e6a82eddc522342c8a8db7072c65f2b56","https://git.kernel.org/stable/c/a4b3f4d42fbf58f06f0d49e37a9d0d9392eca338","https://git.kernel.org/stable/c/6aacc18004b1a915ccb8a829d30279a37988066e","https://git.kernel.org/stable/c/bf0b58ba489d0bdaa18c7dd8beeaeb954dd7dbb7","https://git.kernel.org/stable/c/462a999917755a3bf77448dfd64307963cf0a9f0"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/72xxx/CVE-2026-72079.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-72079","state":"PUBLISHED","datePublished":"2026-08-15T05:52:29.096Z","dateUpdated":"2026-08-17T05:07:48.078Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-08-09T03:40:39.904Z"},"containers":{"cna":{"title":"Input: ims-pcu - fix use-after-free and double-free in disconnect","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nInput: ims-pcu - fix use-after-free and double-free in disconnect\n\nims_pcu_disconnect() only intended to perform cleanup when the primary\n(control) interface is unbound. However, it currently relies on the\ninterface class to distinguish between control and data interfaces.\nA malicious device could present a data interface with the same class\nas the control interface, leading to premature cleanup and potential\nuse-after-free or double-free.\n\nSwitch to verifying that the interface being disconnected is indeed\nthe control interface."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"628329d52474323938a03826941e166bc7c8eff4","status":"affected","lessThan":"315f269ea04bc1477ab9bf351e939623d12a1621","versionType":"git"},{"version":"628329d52474323938a03826941e166bc7c8eff4","status":"affected","lessThan":"293388e42e5c0865204de6f36bfb8662156fce3b","versionType":"git"},{"version":"628329d52474323938a03826941e166bc7c8eff4","status":"affected","lessThan":"921abbb33887052e46b1b77299f87a3c741dc580","versionType":"git"},{"version":"628329d52474323938a03826941e166bc7c8eff4","status":"affected","lessThan":"6a6c373e6a82eddc522342c8a8db7072c65f2b56","versionType":"git"},{"version":"628329d52474323938a03826941e166bc7c8eff4","status":"affected","lessThan":"a4b3f4d42fbf58f06f0d49e37a9d0d9392eca338","versionType":"git"},{"version":"628329d52474323938a03826941e166bc7c8eff4","status":"affected","lessThan":"6aacc18004b1a915ccb8a829d30279a37988066e","versionType":"git"},{"version":"628329d52474323938a03826941e166bc7c8eff4","status":"affected","lessThan":"bf0b58ba489d0bdaa18c7dd8beeaeb954dd7dbb7","versionType":"git"},{"version":"628329d52474323938a03826941e166bc7c8eff4","status":"affected","lessThan":"462a999917755a3bf77448dfd64307963cf0a9f0","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/input/misc/ims-pcu.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.10","versionType":"semver"},{"version":"5.10.261","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.212","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.178","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.145","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.97","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.40","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.5","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/input/misc/ims-pcu.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/315f269ea04bc1477ab9bf351e939623d12a1621"},{"url":"https://git.kernel.org/stable/c/293388e42e5c0865204de6f36bfb8662156fce3b"},{"url":"https://git.kernel.org/stable/c/921abbb33887052e46b1b77299f87a3c741dc580"},{"url":"https://git.kernel.org/stable/c/6a6c373e6a82eddc522342c8a8db7072c65f2b56"},{"url":"https://git.kernel.org/stable/c/a4b3f4d42fbf58f06f0d49e37a9d0d9392eca338"},{"url":"https://git.kernel.org/stable/c/6aacc18004b1a915ccb8a829d30279a37988066e"},{"url":"https://git.kernel.org/stable/c/bf0b58ba489d0bdaa18c7dd8beeaeb954dd7dbb7"},{"url":"https://git.kernel.org/stable/c/462a999917755a3bf77448dfd64307963cf0a9f0"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-08-17T05:07:48.078Z"},"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"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}