{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-98375","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-09-25T10:25:14.345Z","datePublished":"2026-10-09T07:10:45.930Z","dateUpdated":"2026-10-09T11:08:05.387Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-10-09T07:34:16.178Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nxen/netfront: drop RX packets with a short Ethernet header\n\nhandle_incoming_queue() pulls pull_to bytes into the head before\ncalling eth_type_trans().  pull_to is the length of the first RX slot,\ncapped at RX_COPY_THRESHOLD, and that length comes from the backend.\nNothing checks it against ETH_HLEN.\n\nIf the first slot is shorter than ETH_HLEN and more slots follow, the\nhead ends up shorter than an Ethernet header while skb->len is longer,\nand eth_type_trans() BUG()s in __skb_pull().  If the whole packet is\nshorter than ETH_HLEN, eth_type_trans() reads the header past the end\nof the data instead.\n\nPull at least ETH_HLEN, and drop the packet if that fails, which also\ndrops packets too short to hold an Ethernet header.  This also checks\nthe return value of the pull, which was ignored."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/xen-netfront.c"],"versions":[{"version":"0d160211965b79de989cf2d170985abeb8da5ec6","lessThan":"089e58805c452e52179482b1025a8e309a57f801","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/xen-netfront.c"],"versions":[{"version":"2.6.23","status":"affected"},{"version":"0","lessThan":"2.6.23","status":"unaffected","versionType":"semver"},{"version":"7.3-rc7","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":"2.6.23","versionEndExcluding":"7.3-rc7"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/089e58805c452e52179482b1025a8e309a57f801"}],"title":"xen/netfront: drop RX packets with a short Ethernet header","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CVE Program Container","references":[{"url":"http://xenbits.xen.org/xsa/advisory-522.html"},{"url":"http://www.openwall.com/lists/oss-security/2026/10/09/3"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2026-10-09T11:08:05.387Z"}}]}}