CVE-2024-26626
ipmr: fix kernel panic when forwarding mcast packets
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
Descriptions
In the Linux kernel, the following vulnerability has been resolved:
ipmr: fix kernel panic when forwarding mcast packets
The stacktrace was:
[ 86.305548] BUG: kernel NULL pointer dereference, address: 0000000000000092
[ 86.306815] #PF: supervisor read access in kernel mode
[ 86.307717] #PF: error_code(0x0000) - not-present page
[ 86.308624] PGD 0 P4D 0
[ 86.309091] Oops: 0000 [#1] PREEMPT SMP NOPTI
[ 86.309883] CPU: 2 PID: 3139 Comm: pimd Tainted: G U 6.8.0-6wind-knet #1
[ 86.311027] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.11.1-0-g0551a4be2c-prebuilt.qemu-project.org 04/01/2014
[ 86.312728] RIP: 0010:ip_mr_forward (/build/work/knet/net/ipv4/ipmr.c:1985)
[ 86.313399] Code: f9 1f 0f 87 85 03 00 00 48 8d 04 5b 48 8d 04 83 49 8d 44 c5 00 48 8b 40 70 48 39 c2 0f 84 d9 00 00 00 49 8b 46 58 48 83 e0 fe <80> b8 92 00 00 00 00 0f 84 55 ff ff ff 49 83 47 38 01 45 85 e4 0f
[ 86.316565] RSP: 0018:ffffad21c0583ae0 EFLAGS: 00010246
[ 86.317497] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 86.318596] RDX: ffff9559cb46c000 RSI: 0000000000000000 RDI: 0000000000000000
[ 86.319627] RBP: ffffad21c0583b30 R08: 0000000000000000 R09: 0000000000000000
[ 86.320650] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 86.321672] R13: ffff9559c093a000 R14: ffff9559cc00b800 R15: ffff9559c09c1d80
[ 86.322873] FS: 00007f85db661980(0000) GS:ffff955a79d00000(0000) knlGS:0000000000000000
[ 86.324291] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 86.325314] CR2: 0000000000000092 CR3: 000000002f13a000 CR4: 0000000000350ef0
[ 86.326589] Call Trace:
[ 86.327036] <TASK>
[ 86.327434] ? show_regs (/build/work/knet/arch/x86/kernel/dumpstack.c:479)
[ 86.328049] ? __die (/build/work/knet/arch/x86/kernel/dumpstack.c:421 /build/work/knet/arch/x86/kernel/dumpstack.c:434)
[ 86.328508] ? page_fault_oops (/build/work/knet/arch/x86/mm/fault.c:707)
[ 86.329107] ? do_user_addr_fault (/build/work/knet/arch/x86/mm/fault.c:1264)
[ 86.329756] ? srso_return_thunk (/build/work/knet/arch/x86/lib/retpoline.S:223)
[ 86.330350] ? __irq_work_queue_local (/build/work/knet/kernel/irq_work.c:111 (discriminator 1))
[ 86.331013] ? exc_page_fault (/build/work/knet/./arch/x86/include/asm/paravirt.h:693 /build/work/knet/arch/x86/mm/fault.c:1515 /build/work/knet/arch/x86/mm/fault.c:1563)
[ 86.331702] ? asm_exc_page_fault (/build/work/knet/./arch/x86/include/asm/idtentry.h:570)
[ 86.332468] ? ip_mr_forward (/build/work/knet/net/ipv4/ipmr.c:1985)
[ 86.333183] ? srso_return_thunk (/build/work/knet/arch/x86/lib/retpoline.S:223)
[ 86.333920] ipmr_mfc_add (/build/work/knet/./include/linux/rcupdate.h:782 /build/work/knet/net/ipv4/ipmr.c:1009 /build/work/knet/net/ipv4/ipmr.c:1273)
[ 86.334583] ? __pfx_ipmr_hash_cmp (/build/work/knet/net/ipv4/ipmr.c:363)
[ 86.335357] ip_mroute_setsockopt (/build/work/knet/net/ipv4/ipmr.c:1470)
[ 86.336135] ? srso_return_thunk (/build/work/knet/arch/x86/lib/retpoline.S:223)
[ 86.336854] ? ip_mroute_setsockopt (/build/work/knet/net/ipv4/ipmr.c:1470)
[ 86.337679] do_ip_setsockopt (/build/work/knet/net/ipv4/ip_sockglue.c:944)
[ 86.338408] ? __pfx_unix_stream_read_actor (/build/work/knet/net/unix/af_unix.c:2862)
[ 86.339232] ? srso_return_thunk (/build/work/knet/arch/x86/lib/retpoline.S:223)
[ 86.339809] ? aa_sk_perm (/build/work/knet/security/apparmor/include/cred.h:153 /build/work/knet/security/apparmor/net.c:181)
[ 86.340342] ip_setsockopt (/build/work/knet/net/ipv4/ip_sockglue.c:1415)
[ 86.340859] raw_setsockopt (/build/work/knet/net/ipv4/raw.c:836)
[ 86.341408] ? security_socket_setsockopt (/build/work/knet/security/security.c:4561 (discriminator 13))
[ 86.342116] sock_common_setsockopt (/build/work/knet/net/core/sock.c:3716)
[ 86.342747] do_sock_setsockopt (/build/work/knet/net/socket.c:2313)
[ 86.343363] __sys_setsockopt (/build/work/knet/./include/linux/file.h:32 /build/work/kn
---truncated---
En el kernel de Linux, se resolvió la siguiente vulnerabilidad: ipmr: corrige el pánico del kernel al reenviar paquetes mcast El stacktrace fue: [86.305548] ERROR: desreferencia del puntero NULL del kernel, dirección: 0000000000000092 [86.306815] #PF: acceso de lectura del supervisor en modo kernel [ 86.307717] #PF: error_code(0x0000) - página no presente [ 86.308624] PGD 0 P4D 0 [ 86.309091] Ups: 0000 [#1] PREEMPT SMP NOPTI [ 86.309883] CPU: 2 PID: 3139 Comm: pimd Contaminado: GU 6.8.0-6wind-knet #1 [ 86.311027] Nombre del hardware: PC estándar QEMU (i440FX + PIIX, 1996), BIOS rel-1.11.1-0-g0551a4be2c-prebuilt.qemu-project.org 01/04/2014 [ 86.312728] RIP: 0010:ip_mr_forward (/build/work/knet/net/ipv4/ipmr.c:1985) [86.313399] Código: f9 1f 0f 87 85 03 00 00 48 8d 04 5b 48 8d 04 83 49 8d 44 c 5 00 48 8b 40 70 48 39 c2 0f 84 d9 00 00 00 49 8b 46 58 48 83 e0 fe <80> b8 92 00 00 00 00 0f 84 55 ff ff 49 83 47 38 01 45 85 e4 0f [ 86.316565] RSP : 0018:ffffad21c0583ae0 EFLAGS: 00010246 [ 86.317497] RAX: 0000000000000000 RBX: 00000000000000000 RCX: 00000000000000000 [ 86.318596] RDX: ff ff9559cb46c000 RSI: 0000000000000000 RDI: 0000000000000000 [ 86.319627] RBP: ffffad21c0583b30 R08: 00000000000000000 R09: 00000000000000000 [ 86.320650] R10: 0000000000000000 R11 : 0000000000000000 R12: 00000000000000001 [ 86.321672] R13: ffff9559c093a000 R14: ffff9559cc00b800 R15: ffff9559c09c1d80 [ 86.322873] FS: 0 0007f85db661980(0000) GS:ffff955a79d00000(0000) knlGS:0000000000000000 [ 86.324291] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [86.325314] CR2: 0000000000000092 CR3: 000000002f13a000 CR4: 0000000000350ef0 [86.326589] Seguimiento de llamadas: [86.327036] [86.327434] ? show_regs (/build/work/knet/arch/x86/kernel/dumpstack.c:479) [86.328049]? __die (/build/work/knet/arch/x86/kernel/dumpstack.c:421 /build/work/knet/arch/x86/kernel/dumpstack.c:434) [86.328508] ? page_fault_oops (/build/work/knet/arch/x86/mm/fault.c:707) [86.329107]? do_user_addr_fault (/build/work/knet/arch/x86/mm/fault.c:1264) [86.329756]? srso_return_thunk (/build/work/knet/arch/x86/lib/retpoline.S:223) [86.330350]? __irq_work_queue_local (/build/work/knet/kernel/irq_work.c:111 (discriminador 1)) [86.331013]? exc_page_fault (/build/work/knet/./arch/x86/include/asm/paravirt.h:693 /build/work/knet/arch/x86/mm/fault.c:1515 /build/work/knet/arch /x86/mm/fault.c:1563) [86.331702]? asm_exc_page_fault (/build/work/knet/./arch/x86/include/asm/idtentry.h:570) [86.332468]? ip_mr_forward (/build/work/knet/net/ipv4/ipmr.c:1985) [86.333183]? srso_return_thunk (/build/work/knet/arch/x86/lib/retpoline.S:223) [ 86.333920] ipmr_mfc_add (/build/work/knet/./include/linux/rcupdate.h:782 /build/work/knet /net/ipv4/ipmr.c:1009 /build/work/knet/net/ipv4/ipmr.c:1273) [86.334583]? __pfx_ipmr_hash_cmp (/build/work/knet/net/ipv4/ipmr.c:363) [ 86.335357] ip_mroute_setsockopt (/build/work/knet/net/ipv4/ipmr.c:1470) [ 86.336135] ? srso_return_thunk (/build/work/knet/arch/x86/lib/retpoline.S:223) [86.336854]? ip_mroute_setsockopt (/build/work/knet/net/ipv4/ipmr.c:1470) [ 86.337679] do_ip_setsockopt (/build/work/knet/net/ipv4/ip_sockglue.c:944) [ 86.338408] ? __pfx_unix_stream_read_actor (/build/work/knet/net/unix/af_unix.c:2862) [86.339232]? srso_return_thunk (/build/work/knet/arch/x86/lib/retpoline.S:223) [86.339809]? aa_sk_perm (/build/work/knet/security/apparmor/include/cred.h:153 /build/work/knet/security/apparmor/net.c:181) [ 86.340342] ip_setsockopt (/build/work/knet/net /ipv4/ip_sockglue.c:1415) [86.340859] raw_setsockopt (/build/work/knet/net/ipv4/raw.c:836) [86.341408] ? security_socket_setsockopt (/build/work/knet/security/security.c:4561 (discriminador 13)) [ 86.342116] sock_common_setsockopt (/build/work/knet/net/core/sock.c:3716) [ 86.342747] do_sock_setsockopt (/build /work/knet/net/socket.c:2313) [ 86.343363] __sys_setsockopt (/build/work/knet/./include/linux/file.h:32 /build/work/kn ---truncado---
CVSS Scores
SSVC
- Decision:Track
Timeline
- 2024-02-19 CVE Reserved
- 2024-03-06 CVE Published
- 2024-03-06 EPSS Updated
- 2024-09-11 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
CAPEC
References (7)
| URL | Tag | Source |
|---|---|---|
| https://git.kernel.org/stable/c/f69365e3a7cab819099249c50b39f4450fdddc60 | Vuln. Introduced | |
| https://git.kernel.org/stable/c/7b32e63f881432bf30f282328b8e64c6aa494ba2 | Vuln. Introduced | |
| https://git.kernel.org/stable/c/7d97858e21fbc472acda7d908357c5fe54a8e439 | Vuln. Introduced |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 6.1.75 < 6.1.77 Search vendor "Linux" for product "Linux Kernel" and version " >= 6.1.75 < 6.1.77" | en |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 6.6.14 < 6.6.16 Search vendor "Linux" for product "Linux Kernel" and version " >= 6.6.14 < 6.6.16" | en |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 6.7.2 < 6.7.4 Search vendor "Linux" for product "Linux Kernel" and version " >= 6.7.2 < 6.7.4" | en |
Affected
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