{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-31501","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-03-09T15:48:24.104Z","datePublished":"2026-04-22T13:54:21.749Z","dateUpdated":"2026-04-27T14:03:40.002Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-04-27T14:03:40.002Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ti: icssg-prueth: fix use-after-free of CPPI descriptor in RX path\n\ncppi5_hdesc_get_psdata() returns a pointer into the CPPI descriptor.\nIn both emac_rx_packet() and emac_rx_packet_zc(), the descriptor is\nfreed via k3_cppi_desc_pool_free() before the psdata pointer is used\nby emac_rx_timestamp(), which dereferences psdata[0] and psdata[1].\nThis constitutes a use-after-free on every received packet that goes\nthrough the timestamp path.\n\nDefer the descriptor free until after all accesses through the psdata\npointer are complete. For emac_rx_packet(), move the free into the\nrequeue label so both early-exit and success paths free the descriptor\nafter all accesses are done. For emac_rx_packet_zc(), move the free to\nthe end of the loop body after emac_dispatch_skb_zc() (which calls\nemac_rx_timestamp()) has returned."}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":9.8,"baseSeverity":"CRITICAL"}}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/ti/icssg/icssg_common.c"],"versions":[{"version":"46eeb90f03e03d5e8f7f9f1f0eb0792104fc5f86","lessThan":"d5827316debcb677679bb014885d7be92c410e11","status":"affected","versionType":"git"},{"version":"46eeb90f03e03d5e8f7f9f1f0eb0792104fc5f86","lessThan":"eb8c426c9803beb171f89d15fea17505eb517714","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/net/ethernet/ti/icssg/icssg_common.c"],"versions":[{"version":"6.15","status":"affected"},{"version":"0","lessThan":"6.15","status":"unaffected","versionType":"semver"},{"version":"6.19.11","lessThanOrEqual":"6.19.*","status":"unaffected","versionType":"semver"},{"version":"7.0","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":"6.15","versionEndExcluding":"6.19.11"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.15","versionEndExcluding":"7.0"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/d5827316debcb677679bb014885d7be92c410e11"},{"url":"https://git.kernel.org/stable/c/eb8c426c9803beb171f89d15fea17505eb517714"}],"title":"net: ti: icssg-prueth: fix use-after-free of CPPI descriptor in RX path","x_generator":{"engine":"bippy-1.2.0"}}}}