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nvd-json-data-feeds/CVE-2024/CVE-2024-500xx/CVE-2024-50085.json

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Auto-Update: 2024-10-29T07:57:46.852458+00:00
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{
"id": "CVE-2024-50085",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2024-10-29T01:15:05.400",
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"lastModified": "2024-12-11T15:15:11.520",
"vulnStatus": "Modified",
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"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmptcp: pm: fix UaF read in mptcp_pm_nl_rm_addr_or_subflow\n\nSyzkaller reported this splat:\n\n ==================================================================\n BUG: KASAN: slab-use-after-free in mptcp_pm_nl_rm_addr_or_subflow+0xb44/0xcc0 net/mptcp/pm_netlink.c:881\n Read of size 4 at addr ffff8880569ac858 by task syz.1.2799/14662\n\n CPU: 0 UID: 0 PID: 14662 Comm: syz.1.2799 Not tainted 6.12.0-rc2-syzkaller-00307-g36c254515dc6 #0\n Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014\n Call Trace:\n <TASK>\n __dump_stack lib/dump_stack.c:94 [inline]\n dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120\n print_address_description mm/kasan/report.c:377 [inline]\n print_report+0xc3/0x620 mm/kasan/report.c:488\n kasan_report+0xd9/0x110 mm/kasan/report.c:601\n mptcp_pm_nl_rm_addr_or_subflow+0xb44/0xcc0 net/mptcp/pm_netlink.c:881\n mptcp_pm_nl_rm_subflow_received net/mptcp/pm_netlink.c:914 [inline]\n mptcp_nl_remove_id_zero_address+0x305/0x4a0 net/mptcp/pm_netlink.c:1572\n mptcp_pm_nl_del_addr_doit+0x5c9/0x770 net/mptcp/pm_netlink.c:1603\n genl_family_rcv_msg_doit+0x202/0x2f0 net/netlink/genetlink.c:1115\n genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]\n genl_rcv_msg+0x565/0x800 net/netlink/genetlink.c:1210\n netlink_rcv_skb+0x165/0x410 net/netlink/af_netlink.c:2551\n genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219\n netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline]\n netlink_unicast+0x53c/0x7f0 net/netlink/af_netlink.c:1357\n netlink_sendmsg+0x8b8/0xd70 net/netlink/af_netlink.c:1901\n sock_sendmsg_nosec net/socket.c:729 [inline]\n __sock_sendmsg net/socket.c:744 [inline]\n ____sys_sendmsg+0x9ae/0xb40 net/socket.c:2607\n ___sys_sendmsg+0x135/0x1e0 net/socket.c:2661\n __sys_sendmsg+0x117/0x1f0 net/socket.c:2690\n do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]\n __do_fast_syscall_32+0x73/0x120 arch/x86/entry/common.c:386\n do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:411\n entry_SYSENTER_compat_after_hwframe+0x84/0x8e\n RIP: 0023:0xf7fe4579\n Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00\n RSP: 002b:00000000f574556c EFLAGS: 00000296 ORIG_RAX: 0000000000000172\n RAX: ffffffffffffffda RBX: 000000000000000b RCX: 0000000020000140\n RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000\n RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000\n R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000\n R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000\n </TASK>\n\n Allocated by task 5387:\n kasan_save_stack+0x33/0x60 mm/kasan/common.c:47\n kasan_save_track+0x14/0x30 mm/kasan/common.c:68\n poison_kmalloc_redzone mm/kasan/common.c:377 [inline]\n __kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:394\n kmalloc_noprof include/linux/slab.h:878 [inline]\n kzalloc_noprof include/linux/slab.h:1014 [inline]\n subflow_create_ctx+0x87/0x2a0 net/mptcp/subflow.c:1803\n subflow_ulp_init+0xc3/0x4d0 net/mptcp/subflow.c:1956\n __tcp_set_ulp net/ipv4/tcp_ulp.c:146 [inline]\n tcp_set_ulp+0x326/0x7f0 net/ipv4/tcp_ulp.c:167\n mptcp_subflow_create_socket+0x4ae/0x10a0 net/mptcp/subflow.c:1764\n __mptcp_subflow_connect+0x3cc/0x1490 net/mptcp/subflow.c:1592\n mptcp_pm_create_subflow_or_signal_addr+0xbda/0x23a0 net/mptcp/pm_netlink.c:642\n mptcp_pm_nl_fully_established net/mptcp/pm_netlink.c:650 [inline]\n mptcp_pm_nl_work+0x3a1/0x4f0 net/mptcp/pm_netlink.c:943\n mptcp_worker+0x15a/0x1240 net/mptcp/protocol.c:2777\n process_one_work+0x958/0x1b30 kernel/workqueue.c:3229\n process_scheduled_works kernel/workqueue.c:3310 [inline]\n worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391\n kthread+0x2c1/0x3a0 kernel/kthread.c:389\n ret_from_fork+0x45/0x80 arch/x86/ke\n---truncated---"
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},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: mptcp: pm: correcci\u00f3n de lectura UaF en mptcp_pm_nl_rm_addr_or_subflow Syzkaller inform\u00f3 este splat: ===================================================================== ERROR: KASAN: slab-use-after-free en mptcp_pm_nl_rm_addr_or_subflow+0xb44/0xcc0 net/mptcp/pm_netlink.c:881 Lectura de tama\u00f1o 4 en la direcci\u00f3n ffff8880569ac858 por la tarea syz.1.2799/14662 CPU: 0 UID: 0 PID: 14662 Comm: syz.1.2799 No contaminado 6.12.0-rc2-syzkaller-00307-g36c254515dc6 #0 Nombre del hardware: PC est\u00e1ndar QEMU (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 01/04/2014 Seguimiento de llamadas: __dump_stack lib/dump_stack.c:94 [en l\u00ednea] dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:377 [en l\u00ednea] print_report+0xc3/0x620 mm/kasan/report.c:488 kasan_report+0xd9/0x110 mm/kasan/report.c:601 mptcp_pm_nl_rm_addr_or_subflow+0xb44/0xcc0 net/mptcp/pm_netlink.c:881 mptcp_pm_nl_rm_subflow_received net/mptcp/pm_netlink.c:914 [en l\u00ednea] mptcp_nl_remove_id_zero_address+0x305/0x4a0 net/mptcp/pm_netlink.c:1572 mptcp_pm_nl_del_addr_doit+0x5c9/0x770 net/mptcp/pm_netlink.c:1603 genl_family_rcv_msg_doit+0x202/0x2f0 net/netlink/genetlink.c:1115 genl_family_rcv_msg net/netlink/genetlink.c:1195 [en l\u00ednea] genl_rcv_msg+0x565/0x800 net/netlink/genetlink.c:1210 netlink_rcv_skb+0x165/0x410 net/netlink/af_netlink.c:2551 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219 netlink_unicast_kernel net/netlink/af_netlink.c:1331 [en l\u00ednea] netlink_unicast+0x53c/0x7f0 net/netlink/af_netlink.c:1357 netlink_sendmsg+0x8b8/0xd70 net/netlink/af_netlink.c:1901 sock_sendmsg_nosec red/socket.c:729 [en l\u00ednea] __sock_sendmsg red/socket.c:744 [en l\u00ednea] ____sys_sendmsg+0x9ae/0xb40 red/socket.c:2607 ___sys_sendmsg+0x135/0x1e0 red/socket.c:2661 __sys_sendmsg+0x117/0x1f0 red/socket.c:2690 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [en l\u00ednea] __do_fast_syscall_32+0x73/0x120 arch/x86/entry/common.c:386 do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:411 entry_SYSENTER_compat_after_hwframe+0x84/0x8e RIP: 0023:0xf7fe4579 C\u00f3digo: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 &lt;5d&gt; 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000f574556c EFLAGS: 00000296 ORIG_RAX: 0000000000000172 RAX: ffffffffffffffda RBX: 000000000000000b RCX: 0000000020000140 RDX: 0000000000000000 RSI: 000000000000000 RDI: 000000000000000 RBP: 000000000000000 R08: 000000000000000 R09: 0000000000000000 R10: 00000000000000000 R11: 0000000000000296 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Asignado por la tarea 5387: kasan_save_stack+0x33/0x60 mm/kasan/common.c:47 kasan_save_track+0x14/0x30 mm/kasan/common.c:68 poison_kmalloc_redzone mm/kasan/common.c:377 [en l\u00ednea] __kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:394 kmalloc_noprof include/linux/slab.h:878 [en l\u00ednea] kzalloc_noprof include/linux/slab.h:1014 [en l\u00ednea] subflow_create_ctx+0x87/0x2a0 net/mptcp/subflow.c:1803 subflow_ulp_init+0xc3/0x4d0 net/mptcp/subflow.c:1956 __tcp_set_ulp net/ipv4/tcp_ulp.c:146 [en l\u00ednea] tcp_set_ulp+0x326/0x7f0 net/ipv4/tcp_ulp.c:167 mptcp_subflow_create_socket+0x4ae/0x10a0 net/mptcp/subflow.c:1764 __mptcp_subflow_connect+0x3cc/0x1490 net/mptcp/subflow.c:1592 mptcp_pm_create_subflow_or_signal_addr+0xbda/0x23a0 net/mptcp/pm_netlink.c:642 mptcp_pm_nl_fully_established net/mptcp/pm_netlink.c:650 [en l\u00ednea] mptcp_pm_nl_work+0x3a1/0x4f0 net/mptcp/pm_netlink.c:943 mptcp_worker+0x15a/0x1240 net/mptcp/protocol.c:2777 proceso_uno_trabajo+0x958/0x1b30 kernel/workqueue.c:3229 proceso_trabajo_programado kernel/workqueue.c:3310 [en l\u00ednea] worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/ke ---truncado---"
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}
],
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"metrics": {
"cvssMetricV31": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
Auto-Update: 2024-12-08T03:00:18.988682+00:00
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"baseScore": 5.5,
"baseSeverity": "MEDIUM",
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"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
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"availabilityImpact": "HIGH"
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},
"exploitabilityScore": 1.8,
"impactScore": 3.6
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},
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 1.8,
"impactScore": 5.9
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}
]
},
"weaknesses": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "CWE-416"
}
]
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},
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-416"
}
]
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}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.15.167",
"versionEndExcluding": "5.15.169",
"matchCriteriaId": "9DDBB6DB-56F4-4452-A614-F280F51289A5"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.1.107",
"versionEndExcluding": "6.1.114",
"matchCriteriaId": "D27388DB-34B7-4580-BB3E-6F534937FC31"
},
{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.6.48",
"versionEndExcluding": "6.6.58",
"matchCriteriaId": "203B81C0-648C-4FAE-86D9-18004E1AA9B8"
},
{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.10.7",
"versionEndExcluding": "6.11",
"matchCriteriaId": "48B1FCEA-70A6-45BD-A39B-9184638703FB"
},
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.11",
"versionEndExcluding": "6.11.5",
"matchCriteriaId": "566D17E8-7DD1-40F5-9042-8FDAE762B036"
},
{
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"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc1:*:*:*:*:*:*",
"matchCriteriaId": "7F361E1D-580F-4A2D-A509-7615F73167A1"
},
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"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc2:*:*:*:*:*:*",
"matchCriteriaId": "925478D0-3E3D-4E6F-ACD5-09F28D5DF82C"
},
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"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc3:*:*:*:*:*:*",
"matchCriteriaId": "3C95E234-D335-4B6C-96BF-E2CEBD8654ED"
}
]
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]
}
],
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"references": [
{
"url": "https://git.kernel.org/stable/c/35301636439138b821f1f6169bd00d348ebd388a",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
]
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},
{
"url": "https://git.kernel.org/stable/c/7b2e478abab0b3a33515433a6af563aebba773c1",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
]
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},
{
"url": "https://git.kernel.org/stable/c/7decd1f5904a489d3ccdcf131972f94645681689",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
]
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},
{
"url": "https://git.kernel.org/stable/c/a8c36ea4ef9a350816f6556c5c5b63810f84b538",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
]
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},
{
"url": "https://git.kernel.org/stable/c/da3343bc0839b180fd9af9c27fa456d8231409f9",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"tags": [
"Patch"
]
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}
]
}
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