{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2023-53601", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-10-04T15:40:38.479Z", "datePublished": "2025-10-04T15:44:12.477Z", "dateUpdated": "2026-05-11T19:48:18.942Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T19:48:18.942Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbonding: do not assume skb mac_header is set\n\nDrivers must not assume in their ndo_start_xmit() that\nskbs have their mac_header set. skb->data is all what is needed.\n\nbonding seems to be one of the last offender as caught by syzbot:\n\nWARNING: CPU: 1 PID: 12155 at include/linux/skbuff.h:2907 skb_mac_offset include/linux/skbuff.h:2913 [inline]\nWARNING: CPU: 1 PID: 12155 at include/linux/skbuff.h:2907 bond_xmit_hash drivers/net/bonding/bond_main.c:4170 [inline]\nWARNING: CPU: 1 PID: 12155 at include/linux/skbuff.h:2907 bond_xmit_3ad_xor_slave_get drivers/net/bonding/bond_main.c:5149 [inline]\nWARNING: CPU: 1 PID: 12155 at include/linux/skbuff.h:2907 bond_3ad_xor_xmit drivers/net/bonding/bond_main.c:5186 [inline]\nWARNING: CPU: 1 PID: 12155 at include/linux/skbuff.h:2907 __bond_start_xmit drivers/net/bonding/bond_main.c:5442 [inline]\nWARNING: CPU: 1 PID: 12155 at include/linux/skbuff.h:2907 bond_start_xmit+0x14ab/0x19d0 drivers/net/bonding/bond_main.c:5470\nModules linked in:\nCPU: 1 PID: 12155 Comm: syz-executor.3 Not tainted 6.1.30-syzkaller #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023\nRIP: 0010:skb_mac_header include/linux/skbuff.h:2907 [inline]\nRIP: 0010:skb_mac_offset include/linux/skbuff.h:2913 [inline]\nRIP: 0010:bond_xmit_hash drivers/net/bonding/bond_main.c:4170 [inline]\nRIP: 0010:bond_xmit_3ad_xor_slave_get drivers/net/bonding/bond_main.c:5149 [inline]\nRIP: 0010:bond_3ad_xor_xmit drivers/net/bonding/bond_main.c:5186 [inline]\nRIP: 0010:__bond_start_xmit drivers/net/bonding/bond_main.c:5442 [inline]\nRIP: 0010:bond_start_xmit+0x14ab/0x19d0 drivers/net/bonding/bond_main.c:5470\nCode: 8b 7c 24 30 e8 76 dd 1a 01 48 85 c0 74 0d 48 89 c3 e8 29 67 2e fe e9 15 ef ff ff e8 1f 67 2e fe e9 10 ef ff ff e8 15 67 2e fe <0f> 0b e9 45 f8 ff ff e8 09 67 2e fe e9 dc fa ff ff e8 ff 66 2e fe\nRSP: 0018:ffffc90002fff6e0 EFLAGS: 00010283\nRAX: ffffffff835874db RBX: 000000000000ffff RCX: 0000000000040000\nRDX: ffffc90004dcf000 RSI: 00000000000000b5 RDI: 00000000000000b6\nRBP: ffffc90002fff8b8 R08: ffffffff83586d16 R09: ffffffff83586584\nR10: 0000000000000007 R11: ffff8881599fc780 R12: ffff88811b6a7b7e\nR13: 1ffff110236d4f6f R14: ffff88811b6a7ac0 R15: 1ffff110236d4f76\nFS: 00007f2e9eb47700(0000) GS:ffff8881f6b00000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 0000001b2e421000 CR3: 000000010e6d4000 CR4: 00000000003526e0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n\n[] netdev_start_xmit include/linux/netdevice.h:4925 [inline]\n[] __dev_direct_xmit+0x4ef/0x850 net/core/dev.c:4380\n[] dev_direct_xmit include/linux/netdevice.h:3043 [inline]\n[] packet_direct_xmit+0x18b/0x300 net/packet/af_packet.c:284\n[] packet_snd net/packet/af_packet.c:3112 [inline]\n[] packet_sendmsg+0x4a22/0x64d0 net/packet/af_packet.c:3143\n[] sock_sendmsg_nosec net/socket.c:716 [inline]\n[] sock_sendmsg net/socket.c:736 [inline]\n[] __sys_sendto+0x472/0x5f0 net/socket.c:2139\n[] __do_sys_sendto net/socket.c:2151 [inline]\n[] __se_sys_sendto net/socket.c:2147 [inline]\n[] __x64_sys_sendto+0xe5/0x100 net/socket.c:2147\n[] do_syscall_x64 arch/x86/entry/common.c:50 [inline]\n[] do_syscall_64+0x2f/0x50 arch/x86/entry/common.c:80\n[] entry_SYSCALL_64_after_hwframe+0x63/0xcd" } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/net/bonding/bond_main.c" ], "versions": [ { "version": "7b8fc0103bb51d1d3e1fb5fd67958612e709f883", "lessThan": "029d892b05fc5e42a1b1c0665f62cb3e4b23e6dc", "status": "affected", "versionType": "git" }, { "version": "7b8fc0103bb51d1d3e1fb5fd67958612e709f883", "lessThan": "37b6143376a578265add04f35161b257eeb84a5e", "status": "affected", "versionType": "git" }, { "version": "7b8fc0103bb51d1d3e1fb5fd67958612e709f883", "lessThan": "c96cc3d9acaca53d9a81c884c23f1224b61c829b", "status": "affected", "versionType": "git" }, { "version": "7b8fc0103bb51d1d3e1fb5fd67958612e709f883", "lessThan": "bc16fc63592c419357dd4c4d82d50762102a60ef", "status": "affected", "versionType": "git" }, { "version": "7b8fc0103bb51d1d3e1fb5fd67958612e709f883", "lessThan": "6a940abdef3162e5723f1495b8a49859d1708f79", "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/bonding/bond_main.c" ], "versions": [ { "version": "5.12", "status": "affected" }, { "version": "0", "lessThan": "5.12", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.121", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.39", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.3.13", "lessThanOrEqual": "6.3.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.4.4", "lessThanOrEqual": "6.4.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.5", "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": "5.12", "versionEndExcluding": "5.15.121" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.12", "versionEndExcluding": "6.1.39" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.12", "versionEndExcluding": "6.3.13" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.12", "versionEndExcluding": "6.4.4" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.12", "versionEndExcluding": "6.5" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/029d892b05fc5e42a1b1c0665f62cb3e4b23e6dc" }, { "url": "https://git.kernel.org/stable/c/37b6143376a578265add04f35161b257eeb84a5e" }, { "url": "https://git.kernel.org/stable/c/c96cc3d9acaca53d9a81c884c23f1224b61c829b" }, { "url": "https://git.kernel.org/stable/c/bc16fc63592c419357dd4c4d82d50762102a60ef" }, { "url": "https://git.kernel.org/stable/c/6a940abdef3162e5723f1495b8a49859d1708f79" } ], "title": "bonding: do not assume skb mac_header is set", "x_generator": { "engine": "bippy-1.2.0" } } } }