{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2023-54114", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-12-24T13:02:52.519Z", "datePublished": "2025-12-24T13:06:36.214Z", "dateUpdated": "2026-05-11T19:55:44.834Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T19:55:44.834Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: nsh: Use correct mac_offset to unwind gso skb in nsh_gso_segment()\n\nAs the call trace shows, skb_panic was caused by wrong skb->mac_header\nin nsh_gso_segment():\n\ninvalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI\nCPU: 3 PID: 2737 Comm: syz Not tainted 6.3.0-next-20230505 #1\nRIP: 0010:skb_panic+0xda/0xe0\ncall Trace:\n skb_push+0x91/0xa0\n nsh_gso_segment+0x4f3/0x570\n skb_mac_gso_segment+0x19e/0x270\n __skb_gso_segment+0x1e8/0x3c0\n validate_xmit_skb+0x452/0x890\n validate_xmit_skb_list+0x99/0xd0\n sch_direct_xmit+0x294/0x7c0\n __dev_queue_xmit+0x16f0/0x1d70\n packet_xmit+0x185/0x210\n packet_snd+0xc15/0x1170\n packet_sendmsg+0x7b/0xa0\n sock_sendmsg+0x14f/0x160\n\nThe root cause is:\nnsh_gso_segment() use skb->network_header - nhoff to reset mac_header\nin skb_gso_error_unwind() if inner-layer protocol gso fails.\nHowever, skb->network_header may be reset by inner-layer protocol\ngso function e.g. mpls_gso_segment. skb->mac_header reset by the\ninaccurate network_header will be larger than skb headroom.\n\nnsh_gso_segment\n nhoff = skb->network_header - skb->mac_header;\n __skb_pull(skb,nsh_len)\n skb_mac_gso_segment\n mpls_gso_segment\n skb_reset_network_header(skb);//skb->network_header+=nsh_len\n return -EINVAL;\n skb_gso_error_unwind\n skb_push(skb, nsh_len);\n skb->mac_header = skb->network_header - nhoff;\n // skb->mac_header > skb->headroom, cause skb_push panic\n\nUse correct mac_offset to restore mac_header and get rid of nhoff." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "net/nsh/nsh.c" ], "versions": [ { "version": "c411ed854584a71b0e86ac3019b60e4789d88086", "lessThan": "2f88c8d38ecf5ed0273f99a067246899ba499eb2", "status": "affected", "versionType": "git" }, { "version": "c411ed854584a71b0e86ac3019b60e4789d88086", "lessThan": "d2309e0cb27b6871b273fbc1725e93be62570d86", "status": "affected", "versionType": "git" }, { "version": "c411ed854584a71b0e86ac3019b60e4789d88086", "lessThan": "435855b0831b351cb72cb38369ee33122ce9574c", "status": "affected", "versionType": "git" }, { "version": "c411ed854584a71b0e86ac3019b60e4789d88086", "lessThan": "02b20e0bc0c2628539e9e518dc342787c3332de2", "status": "affected", "versionType": "git" }, { "version": "c411ed854584a71b0e86ac3019b60e4789d88086", "lessThan": "cdd8160dcda1fed2028a5f96575a84afc23aff7d", "status": "affected", "versionType": "git" }, { "version": "c411ed854584a71b0e86ac3019b60e4789d88086", "lessThan": "6fbedf987b6b8ed54a50e2205d998eb2c8be72f9", "status": "affected", "versionType": "git" }, { "version": "c411ed854584a71b0e86ac3019b60e4789d88086", "lessThan": "cb38e62922aa3991793344b5a5870e7291c74a44", "status": "affected", "versionType": "git" }, { "version": "c411ed854584a71b0e86ac3019b60e4789d88086", "lessThan": "c83b49383b595be50647f0c764a48c78b5f3c4f8", "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/nsh/nsh.c" ], "versions": [ { "version": "4.14", "status": "affected" }, { "version": "0", "lessThan": "4.14", "status": "unaffected", "versionType": "semver" }, { "version": "4.14.316", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "semver" }, { "version": "4.19.284", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.4.244", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.181", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.113", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.30", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.3.4", "lessThanOrEqual": "6.3.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.4", "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": "4.14", "versionEndExcluding": "4.14.316" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.14", "versionEndExcluding": "4.19.284" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.14", "versionEndExcluding": "5.4.244" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.14", "versionEndExcluding": "5.10.181" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.14", "versionEndExcluding": "5.15.113" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.14", "versionEndExcluding": "6.1.30" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.14", "versionEndExcluding": "6.3.4" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.14", "versionEndExcluding": "6.4" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/2f88c8d38ecf5ed0273f99a067246899ba499eb2" }, { "url": "https://git.kernel.org/stable/c/d2309e0cb27b6871b273fbc1725e93be62570d86" }, { "url": "https://git.kernel.org/stable/c/435855b0831b351cb72cb38369ee33122ce9574c" }, { "url": "https://git.kernel.org/stable/c/02b20e0bc0c2628539e9e518dc342787c3332de2" }, { "url": "https://git.kernel.org/stable/c/cdd8160dcda1fed2028a5f96575a84afc23aff7d" }, { "url": "https://git.kernel.org/stable/c/6fbedf987b6b8ed54a50e2205d998eb2c8be72f9" }, { "url": "https://git.kernel.org/stable/c/cb38e62922aa3991793344b5a5870e7291c74a44" }, { "url": "https://git.kernel.org/stable/c/c83b49383b595be50647f0c764a48c78b5f3c4f8" } ], "title": "net: nsh: Use correct mac_offset to unwind gso skb in nsh_gso_segment()", "x_generator": { "engine": "bippy-1.2.0" } } } }