{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-49948","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-10-21T12:17:06.045Z","datePublished":"2024-10-21T18:02:05.121Z","dateUpdated":"2025-11-03T22:23:27.937Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T09:42:06.708Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: add more sanity checks to qdisc_pkt_len_init()\n\nOne path takes care of SKB_GSO_DODGY, assuming\nskb->len is bigger than hdr_len.\n\nvirtio_net_hdr_to_skb() does not fully dissect TCP headers,\nit only make sure it is at least 20 bytes.\n\nIt is possible for an user to provide a malicious 'GSO' packet,\ntotal length of 80 bytes.\n\n- 20 bytes of IPv4 header\n- 60 bytes TCP header\n- a small gso_size like 8\n\nvirtio_net_hdr_to_skb() would declare this packet as a normal\nGSO packet, because it would see 40 bytes of payload,\nbigger than gso_size.\n\nWe need to make detect this case to not underflow\nqdisc_skb_cb(skb)->pkt_len."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/core/dev.c"],"versions":[{"version":"1def9238d4aa2146924994aa4b7dc861f03b9362","lessThan":"d7d1a28f5dd57b4d83def876f8d7b4403bd37df9","status":"affected","versionType":"git"},{"version":"1def9238d4aa2146924994aa4b7dc861f03b9362","lessThan":"473426a1d53a68dd1e718e6cd00d57936993fa6c","status":"affected","versionType":"git"},{"version":"1def9238d4aa2146924994aa4b7dc861f03b9362","lessThan":"566a931a1436d0e0ad13708ea55479b95426213c","status":"affected","versionType":"git"},{"version":"1def9238d4aa2146924994aa4b7dc861f03b9362","lessThan":"2415f465730e48b6e38da1c7c097317bf5dd2d20","status":"affected","versionType":"git"},{"version":"1def9238d4aa2146924994aa4b7dc861f03b9362","lessThan":"27a8fabc54d2f960d47bdfbebf2bdc6e8a92a4c4","status":"affected","versionType":"git"},{"version":"1def9238d4aa2146924994aa4b7dc861f03b9362","lessThan":"9b0ee571d20a238a22722126abdfde61f1b2bdd0","status":"affected","versionType":"git"},{"version":"1def9238d4aa2146924994aa4b7dc861f03b9362","lessThan":"ff1c3cadcf405ab37dd91418a62a7acecf3bc5e2","status":"affected","versionType":"git"},{"version":"1def9238d4aa2146924994aa4b7dc861f03b9362","lessThan":"1eebe602a8d8264a12e35e39d0645fa88dbbacdd","status":"affected","versionType":"git"},{"version":"1def9238d4aa2146924994aa4b7dc861f03b9362","lessThan":"ab9a9a9e9647392a19e7a885b08000e89c86b535","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/core/dev.c"],"versions":[{"version":"3.9","status":"affected"},{"version":"0","lessThan":"3.9","status":"unaffected","versionType":"semver"},{"version":"4.19.323","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.285","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.227","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.168","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.113","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.55","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.10.14","lessThanOrEqual":"6.10.*","status":"unaffected","versionType":"semver"},{"version":"6.11.3","lessThanOrEqual":"6.11.*","status":"unaffected","versionType":"semver"},{"version":"6.12","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":"3.9","versionEndExcluding":"4.19.323"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.9","versionEndExcluding":"5.4.285"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.9","versionEndExcluding":"5.10.227"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.9","versionEndExcluding":"5.15.168"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.9","versionEndExcluding":"6.1.113"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.9","versionEndExcluding":"6.6.55"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.9","versionEndExcluding":"6.10.14"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.9","versionEndExcluding":"6.11.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.9","versionEndExcluding":"6.12"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/d7d1a28f5dd57b4d83def876f8d7b4403bd37df9"},{"url":"https://git.kernel.org/stable/c/473426a1d53a68dd1e718e6cd00d57936993fa6c"},{"url":"https://git.kernel.org/stable/c/566a931a1436d0e0ad13708ea55479b95426213c"},{"url":"https://git.kernel.org/stable/c/2415f465730e48b6e38da1c7c097317bf5dd2d20"},{"url":"https://git.kernel.org/stable/c/27a8fabc54d2f960d47bdfbebf2bdc6e8a92a4c4"},{"url":"https://git.kernel.org/stable/c/9b0ee571d20a238a22722126abdfde61f1b2bdd0"},{"url":"https://git.kernel.org/stable/c/ff1c3cadcf405ab37dd91418a62a7acecf3bc5e2"},{"url":"https://git.kernel.org/stable/c/1eebe602a8d8264a12e35e39d0645fa88dbbacdd"},{"url":"https://git.kernel.org/stable/c/ab9a9a9e9647392a19e7a885b08000e89c86b535"}],"title":"net: add more sanity checks to qdisc_pkt_len_init()","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2024-49948","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-10-22T13:36:47.619949Z"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-10-22T13:38:49.499Z"}},{"title":"CVE Program Container","references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html"},{"url":"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2025-11-03T22:23:27.937Z"}}]}}