{ "dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": { "cveId": "CVE-2022-48651", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-02-25T13:44:28.317Z", "datePublished": "2024-04-28T13:00:42.929Z", "dateUpdated": "2024-08-03T15:17:55.603Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-05-29T05:10:53.239Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nipvlan: Fix out-of-bound bugs caused by unset skb->mac_header\n\nIf an AF_PACKET socket is used to send packets through ipvlan and the\ndefault xmit function of the AF_PACKET socket is changed from\ndev_queue_xmit() to packet_direct_xmit() via setsockopt() with the option\nname of PACKET_QDISC_BYPASS, the skb->mac_header may not be reset and\nremains as the initial value of 65535, this may trigger slab-out-of-bounds\nbugs as following:\n\n=================================================================\nUG: KASAN: slab-out-of-bounds in ipvlan_xmit_mode_l2+0xdb/0x330 [ipvlan]\nPU: 2 PID: 1768 Comm: raw_send Kdump: loaded Not tainted 6.0.0-rc4+ #6\nardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.14.0-1.fc33\nall Trace:\nprint_address_description.constprop.0+0x1d/0x160\nprint_report.cold+0x4f/0x112\nkasan_report+0xa3/0x130\nipvlan_xmit_mode_l2+0xdb/0x330 [ipvlan]\nipvlan_start_xmit+0x29/0xa0 [ipvlan]\n__dev_direct_xmit+0x2e2/0x380\npacket_direct_xmit+0x22/0x60\npacket_snd+0x7c9/0xc40\nsock_sendmsg+0x9a/0xa0\n__sys_sendto+0x18a/0x230\n__x64_sys_sendto+0x74/0x90\ndo_syscall_64+0x3b/0x90\nentry_SYSCALL_64_after_hwframe+0x63/0xcd\n\nThe root cause is:\n 1. packet_snd() only reset skb->mac_header when sock->type is SOCK_RAW\n and skb->protocol is not specified as in packet_parse_headers()\n\n 2. packet_direct_xmit() doesn't reset skb->mac_header as dev_queue_xmit()\n\nIn this case, skb->mac_header is 65535 when ipvlan_xmit_mode_l2() is\ncalled. So when ipvlan_xmit_mode_l2() gets mac header with eth_hdr() which\nuse \"skb->head + skb->mac_header\", out-of-bound access occurs.\n\nThis patch replaces eth_hdr() with skb_eth_hdr() in ipvlan_xmit_mode_l2()\nand reset mac header in multicast to solve this out-of-bound bug." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/net/ipvlan/ipvlan_core.c" ], "versions": [ { "version": "2ad7bf363841", "lessThan": "e2b46cd5796f", "status": "affected", "versionType": "git" }, { "version": "2ad7bf363841", "lessThan": "25efdbe5fe54", "status": "affected", "versionType": "git" }, { "version": "2ad7bf363841", "lessThan": "bffcdade259c", "status": "affected", "versionType": "git" }, { "version": "2ad7bf363841", "lessThan": "346e94aa4a99", "status": "affected", "versionType": "git" }, { "version": "2ad7bf363841", "lessThan": "ab4a733874ea", "status": "affected", "versionType": "git" }, { "version": "2ad7bf363841", "lessThan": "8d06006c7eb7", "status": "affected", "versionType": "git" }, { "version": "2ad7bf363841", "lessThan": "b583e6b25bf9", "status": "affected", "versionType": "git" }, { "version": "2ad7bf363841", "lessThan": "81225b2ea161", "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/ipvlan/ipvlan_core.c" ], "versions": [ { "version": "3.19", "status": "affected" }, { "version": "0", "lessThan": "3.19", "status": "unaffected", "versionType": "custom" }, { "version": "4.9.330", "lessThanOrEqual": "4.9.*", "status": "unaffected", "versionType": "custom" }, { "version": "4.14.295", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "custom" }, { "version": "4.19.260", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.4.215", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.10.146", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.15.71", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.19.12", "lessThanOrEqual": "5.19.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.0", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/e2b46cd5796f083e452fbc624f65b80328b0c1a4" }, { "url": "https://git.kernel.org/stable/c/25efdbe5fe542c3063d1948cc4e98abcb57621ca" }, { "url": "https://git.kernel.org/stable/c/bffcdade259c05ab3436b5fab711612093c275ef" }, { "url": "https://git.kernel.org/stable/c/346e94aa4a99378592c46d6a34c72703a32bd5be" }, { "url": "https://git.kernel.org/stable/c/ab4a733874ead120691e8038272d22f8444d3638" }, { "url": "https://git.kernel.org/stable/c/8d06006c7eb75587d986da46c48ba9274f94e8e7" }, { "url": "https://git.kernel.org/stable/c/b583e6b25bf9321c91154f6c78d2173ef12c4241" }, { "url": "https://git.kernel.org/stable/c/81225b2ea161af48e093f58e8dfee6d705b16af4" } ], "title": "ipvlan: Fix out-of-bound bugs caused by unset skb->mac_header", "x_generator": { "engine": "bippy-a5840b7849dd" } }, "adp": [ { "title": "CISA ADP Vulnrichment", "metrics": [ { "cvssV3_1": { "scope": "UNCHANGED", "version": "3.1", "baseScore": 7.7, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE" } }, { "other": { "type": "ssvc", "content": { "id": "CVE-2022-48651", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2024-04-30T15:57:11.904317Z" } } } ], "affected": [ { "cpes": [ "cpe:2.3:a:linux:linux_kernel:-:*:*:*:*:*:*:*" ], "vendor": "linux", "product": "linux_kernel", "versions": [ { "status": "affected", "version": "3.19" } ], "defaultStatus": "unknown" }, { "cpes": [ "cpe:2.3:a:linux:linux_kernel:-:*:*:*:*:*:*:*" ], "vendor": "linux", "product": "linux_kernel", "versions": [ { "status": "affected", "version": "2ad7bf363841" } ], "defaultStatus": "unknown" } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "type": "CWE", "cweId": "CWE-125", "description": "CWE-125 Out-of-bounds Read" } ] } ], "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-04T17:16:46.123Z" } }, { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T15:17:55.603Z" }, "title": "CVE Program Container", "references": [ { "url": 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