{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-68345","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-07-30T09:28:09.384Z","datePublished":"2026-08-10T12:03:22.098Z","dateUpdated":"2026-08-17T05:03:45.634Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-08-17T05:03:45.634Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\narm_mpam: guard MBWU state before adding it to garbage\n\n__destroy_component_cfg() adds each RIS mbwu_state object to the MPAM\ngarbage list when destroying component configuration.\n\nHowever, mbwu_state is allocated per RIS and only for RISes with MBWU\nmonitors. A component can therefore have comp->cfg allocated while some\nRISes still have ris->mbwu_state set to NULL.\n\nPassing a NULL mbwu_state to add_to_garbage() dereferences the NULL\npointer inside the macro.\n\nSkip RISes that do not have an mbwu_state object before adding them to\nthe garbage list."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/resctrl/mpam_devices.c"],"versions":[{"version":"41e8a14950e1732af51cfec8fa09f8ded02a5ca9","lessThan":"ca1f96334267ab8d47b2c9d535cdc9920fdde269","status":"affected","versionType":"git"},{"version":"41e8a14950e1732af51cfec8fa09f8ded02a5ca9","lessThan":"977f52909c624210178a1247fab0b02b110c1106","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/resctrl/mpam_devices.c"],"versions":[{"version":"6.19","status":"affected"},{"version":"0","lessThan":"6.19","status":"unaffected","versionType":"semver"},{"version":"7.1.6","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":"6.19","versionEndExcluding":"7.1.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.19","versionEndExcluding":"7.2"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/ca1f96334267ab8d47b2c9d535cdc9920fdde269"},{"url":"https://git.kernel.org/stable/c/977f52909c624210178a1247fab0b02b110c1106"}],"title":"arm_mpam: guard MBWU state before adding it to garbage","x_generator":{"engine":"bippy-1.2.0"}}}}