{"id":"CVE-2026-31658","revision":null,"records":[{"revision":"293b5f8f3b894077b53ddc4c168a751e","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-31658","aliases":[],"title":"net: altera-tse: fix skb leak on DMA mapping error in tse_start_xmit()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: altera-tse: fix skb leak on DMA mapping error in tse_start_xmit()\n\nWhen dma_map_single() fails in tse_start_xmit(), the function returns\nNETDEV_TX_OK without freeing the skb. Since NETDEV_TX_OK tells the\nstack the packet was consumed, the skb is never freed, leaking memory\non every DMA mapping failure.\n\nAdd dev_kfree_skb_any() before returning to properly free the skb.","state":0,"publishedAt":"2026-04-24T14:45:09.566+00:00","modifiedAt":"2026-10-15T01:17:32.555+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"unaffected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"drivers/net/ethernet/altera/altera_tse_main.c\"\n ],\n \"versions\": [\n {\n \"version\": \"bbd2190ce96d8fce031f0526c1f970b68adc9d1a\",\n \"lessThan\": \"ae2cd46f57f422b51aedd406ff5d75cbff401d5d\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"bbd2190ce96d8fce031f0526c1f970b68adc9d1a\",\n \"lessThan\": \"cb1d318702fdf643061350d164250198df4116f2\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"bbd2190ce96d8fce031f0526c1f970b68adc9d1a\",\n \"lessThan\": \"d5ec406f0543bd6cdfd563b08015fdec8c4d5712\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"bbd2190ce96d8fce031f0526c1f970b68adc9d1a\",\n \"lessThan\": \"2eb9d67704ca8f1101f7435b85f113ede471f9f2\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"bbd2190ce96d8fce031f0526c1f970b68adc9d1a\",\n \"lessThan\": \"9f3ec44aeb58501d11834048d5d0dbaeacb6d4e7\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"bbd2190ce96d8fce031f0526c1f970b68adc9d1a\",\n \"lessThan\": \"60f462cd2716d86bd2174f9d5e035c9278f30480\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"bbd2190ce96d8fce031f0526c1f970b68adc9d1a\",\n \"lessThan\": \"3aca300e88afe56afb000cdc4c65383014fb17f9\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"bbd2190ce96d8fce031f0526c1f970b68adc9d1a\",\n \"lessThan\": \"6dede3967619b5944003227a5d09fdc21ed57d10\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n }\n ]\n }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"affected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"drivers/net/ethernet/altera/altera_tse_main.c\"\n ],\n \"versions\": [\n {\n \"version\": \"3.15\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"3.15\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.10.253\",\n \"lessThanOrEqual\": \"5.10.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.15.203\",\n \"lessThanOrEqual\": \"5.15.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.1.169\",\n \"lessThanOrEqual\": \"6.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.6.135\",\n \"lessThanOrEqual\": \"6.6.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.12.82\",\n \"lessThanOrEqual\": \"6.12.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.18.23\",\n \"lessThanOrEqual\": \"6.18.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.19.13\",\n \"lessThanOrEqual\": \"6.19.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"7.0\",\n \"lessThanOrEqual\": \"*\",\n \"status\": \"unaffected\",\n \"versionType\": \"original_commit_for_fix\"\n }\n ]\n }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/ae2cd46f57f422b51aedd406ff5d75cbff401d5d","https://git.kernel.org/stable/c/cb1d318702fdf643061350d164250198df4116f2","https://git.kernel.org/stable/c/d5ec406f0543bd6cdfd563b08015fdec8c4d5712","https://git.kernel.org/stable/c/2eb9d67704ca8f1101f7435b85f113ede471f9f2","https://git.kernel.org/stable/c/9f3ec44aeb58501d11834048d5d0dbaeacb6d4e7","https://git.kernel.org/stable/c/60f462cd2716d86bd2174f9d5e035c9278f30480","https://git.kernel.org/stable/c/3aca300e88afe56afb000cdc4c65383014fb17f9","https://git.kernel.org/stable/c/6dede3967619b5944003227a5d09fdc21ed57d10"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-31658","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-31658","identifiers":["CVE-2026-31658"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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