{"id":"CVE-2026-64110","state":"PUBLISHED","title":"igc: fix potential skb leak in igc_fpe_xmit_smd_frame()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nigc: fix potential skb leak in igc_fpe_xmit_smd_frame()\n\nWhen igc_fpe_init_tx_descriptor() fails, no one takes care of an\nallocated skb, leaking it. [1]\nUse dev_kfree_skb_any() on failure.\n\nTested on an I226 adapter with the following command, while injecting\nfaults in igc_fpe_init_tx_descriptor() to trigger the error path.\n # ethtool --set-mm $DEV verify-enabled on tx-enabled on pmac-enabled on\n\n[1]\nunreferenced object 0xffff888113c6cdc0 (size 224):\n...\n  backtrace (crc be3d3fda):\n    kmem_cache_alloc_node_noprof+0x3b1/0x410\n    __alloc_skb+0xde/0x830\n    igc_fpe_xmit_smd_frame.isra.0+0xad/0x1b0\n    igc_fpe_send_mpacket+0x37/0x90\n    ethtool_mmsv_verify_timer+0x15e/0x300","publishedAt":"2026-07-19T15:40:12.224Z","updatedAt":"2026-07-19T15:40:12.224Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"5422570c0010bb968738f9256eb2bf83e79b4d63","status":"affected","lessThan":"f1bafd35f11b3aca1c7bb38da173b8787364a04c","versionType":"git"},{"version":"5422570c0010bb968738f9256eb2bf83e79b4d63","status":"affected","lessThan":"3ebf056556138e74c640e6dc2b3848abd398b460","versionType":"git"},{"version":"5422570c0010bb968738f9256eb2bf83e79b4d63","status":"affected","lessThan":"e935c37b8a94bb256fada6395a5d05e1c0c6bdaf","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/intel/igc/igc_tsn.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.16","versionType":"semver"},{"version":"6.18.34","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.0.11","status":"unaffected","lessThanOrEqual":"7.0.*","versionType":"semver"},{"version":"7.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/intel/igc/igc_tsn.c"]}],"references":["https://git.kernel.org/stable/c/f1bafd35f11b3aca1c7bb38da173b8787364a04c","https://git.kernel.org/stable/c/3ebf056556138e74c640e6dc2b3848abd398b460","https://git.kernel.org/stable/c/e935c37b8a94bb256fada6395a5d05e1c0c6bdaf"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:41.951Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/64xxx/CVE-2026-64110.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-64110","state":"PUBLISHED","datePublished":"2026-07-19T15:40:12.224Z","dateUpdated":"2026-07-19T15:40:12.224Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-07-19T07:54:57.034Z"},"containers":{"cna":{"title":"igc: fix potential skb leak in igc_fpe_xmit_smd_frame()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nigc: fix potential skb leak in igc_fpe_xmit_smd_frame()\n\nWhen igc_fpe_init_tx_descriptor() fails, no one takes care of an\nallocated skb, leaking it. [1]\nUse dev_kfree_skb_any() on failure.\n\nTested on an I226 adapter with the following command, while injecting\nfaults in igc_fpe_init_tx_descriptor() to trigger the error path.\n # ethtool --set-mm $DEV verify-enabled on tx-enabled on pmac-enabled on\n\n[1]\nunreferenced object 0xffff888113c6cdc0 (size 224):\n...\n  backtrace (crc be3d3fda):\n    kmem_cache_alloc_node_noprof+0x3b1/0x410\n    __alloc_skb+0xde/0x830\n    igc_fpe_xmit_smd_frame.isra.0+0xad/0x1b0\n    igc_fpe_send_mpacket+0x37/0x90\n    ethtool_mmsv_verify_timer+0x15e/0x300"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"5422570c0010bb968738f9256eb2bf83e79b4d63","status":"affected","lessThan":"f1bafd35f11b3aca1c7bb38da173b8787364a04c","versionType":"git"},{"version":"5422570c0010bb968738f9256eb2bf83e79b4d63","status":"affected","lessThan":"3ebf056556138e74c640e6dc2b3848abd398b460","versionType":"git"},{"version":"5422570c0010bb968738f9256eb2bf83e79b4d63","status":"affected","lessThan":"e935c37b8a94bb256fada6395a5d05e1c0c6bdaf","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/intel/igc/igc_tsn.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.16","versionType":"semver"},{"version":"6.18.34","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.0.11","status":"unaffected","lessThanOrEqual":"7.0.*","versionType":"semver"},{"version":"7.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/intel/igc/igc_tsn.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/f1bafd35f11b3aca1c7bb38da173b8787364a04c"},{"url":"https://git.kernel.org/stable/c/3ebf056556138e74c640e6dc2b3848abd398b460"},{"url":"https://git.kernel.org/stable/c/e935c37b8a94bb256fada6395a5d05e1c0c6bdaf"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-07-19T15:40:12.224Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.16","versionEndExcluding":"6.18.34"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.16","versionEndExcluding":"7.0.11"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.16","versionEndExcluding":"7.1"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}