CVE-2024-26641

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2024-26641
In the Linux kernel, the following vulnerability has been resolved: ip6_tunnel: make sure to pull inner header in __ip6_tnl_rcv() syzbot found __ip6_tnl_rcv() could access unitiliazed data [1]. Call pskb_inet_may_pull() to fix this, and initialize ipv6h variable after this call as it can change skb->head. [1] BUG: KMSAN: uninit-value in __INET_ECN_decapsulate include/net/inet_ecn.h:253 [inline] BUG: KMSAN: uninit-value in INET_ECN_decapsulate include/net/inet_ecn.h:275 [inline] BUG: KMSAN: uninit-value in IP6_ECN_decapsulate+0x7df/0x1e50 include/net/inet_ecn.h:321 __INET_ECN_decapsulate include/net/inet_ecn.h:253 [inline] INET_ECN_decapsulate include/net/inet_ecn.h:275 [inline] IP6_ECN_decapsulate+0x7df/0x1e50 include/net/inet_ecn.h:321 ip6ip6_dscp_ecn_decapsulate+0x178/0x1b0 net/ipv6/ip6_tunnel.c:727 __ip6_tnl_rcv+0xd4e/0x1590 net/ipv6/ip6_tunnel.c:845 ip6_tnl_rcv+0xce/0x100 net/ipv6/ip6_tunnel.c:888 gre_rcv+0x143f/0x1870 ip6_protocol_deliver_rcu+0xda6/0x2a60 net/ipv6/ip6_input.c:438 ip6_input_finish net/ipv6/ip6_input.c:483 [inline] NF_HOOK include/linux/netfilter.h:314 [inline] ip6_input+0x15d/0x430 net/ipv6/ip6_input.c:492 ip6_mc_input+0xa7e/0xc80 net/ipv6/ip6_input.c:586 dst_input include/net/dst.h:461 [inline] ip6_rcv_finish+0x5db/0x870 net/ipv6/ip6_input.c:79 NF_HOOK include/linux/netfilter.h:314 [inline] ipv6_rcv+0xda/0x390 net/ipv6/ip6_input.c:310 __netif_receive_skb_one_core net/core/dev.c:5532 [inline] __netif_receive_skb+0x1a6/0x5a0 net/core/dev.c:5646 netif_receive_skb_internal net/core/dev.c:5732 [inline] netif_receive_skb+0x58/0x660 net/core/dev.c:5791 tun_rx_batched+0x3ee/0x980 drivers/net/tun.c:1555 tun_get_user+0x53af/0x66d0 drivers/net/tun.c:2002 tun_chr_write_iter+0x3af/0x5d0 drivers/net/tun.c:2048 call_write_iter include/linux/fs.h:2084 [inline] new_sync_write fs/read_write.c:497 [inline] vfs_write+0x786/0x1200 fs/read_write.c:590 ksys_write+0x20f/0x4c0 fs/read_write.c:643 __do_sys_write fs/read_write.c:655 [inline] __se_sys_write fs/read_write.c:652 [inline] __x64_sys_write+0x93/0xd0 fs/read_write.c:652 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x6d/0x140 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b Uninit was created at: slab_post_alloc_hook+0x129/0xa70 mm/slab.h:768 slab_alloc_node mm/slub.c:3478 [inline] kmem_cache_alloc_node+0x5e9/0xb10 mm/slub.c:3523 kmalloc_reserve+0x13d/0x4a0 net/core/skbuff.c:560 __alloc_skb+0x318/0x740 net/core/skbuff.c:651 alloc_skb include/linux/skbuff.h:1286 [inline] alloc_skb_with_frags+0xc8/0xbd0 net/core/skbuff.c:6334 sock_alloc_send_pskb+0xa80/0xbf0 net/core/sock.c:2787 tun_alloc_skb drivers/net/tun.c:1531 [inline] tun_get_user+0x1e8a/0x66d0 drivers/net/tun.c:1846 tun_chr_write_iter+0x3af/0x5d0 drivers/net/tun.c:2048 call_write_iter include/linux/fs.h:2084 [inline] new_sync_write fs/read_write.c:497 [inline] vfs_write+0x786/0x1200 fs/read_write.c:590 ksys_write+0x20f/0x4c0 fs/read_write.c:643 __do_sys_write fs/read_write.c:655 [inline] __se_sys_write fs/read_write.c:652 [inline] __x64_sys_write+0x93/0xd0 fs/read_write.c:652 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x6d/0x140 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b CPU: 0 PID: 5034 Comm: syz-executor331 Not tainted 6.7.0-syzkaller-00562-g9f8413c4a66f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023

5.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://git.kernel.org/stable/c/350a6640fac4b53564ec20aa3f4a0922cb0ba5e6 Mailing List Patch
https://git.kernel.org/stable/c/8d975c15c0cd744000ca386247432d57b21f9df0 Mailing List Patch
https://git.kernel.org/stable/c/a9bc32879a08f23cdb80a48c738017e39aea1080 Mailing List Patch
https://git.kernel.org/stable/c/af6b5c50d47ab43e5272ad61935d0ed2e264d3f0 Mailing List Patch
https://git.kernel.org/stable/c/c835df3bcc14858ae9b27315dd7de76370b94f3a Mailing List Patch
https://git.kernel.org/stable/c/d54e4da98bbfa8c257bdca94c49652d81d18a4d8 Mailing List Patch
https://git.kernel.org/stable/c/350a6640fac4b53564ec20aa3f4a0922cb0ba5e6 Mailing List Patch
https://git.kernel.org/stable/c/8d975c15c0cd744000ca386247432d57b21f9df0 Mailing List Patch
https://git.kernel.org/stable/c/a9bc32879a08f23cdb80a48c738017e39aea1080 Mailing List Patch
https://git.kernel.org/stable/c/af6b5c50d47ab43e5272ad61935d0ed2e264d3f0 Mailing List Patch
https://git.kernel.org/stable/c/c835df3bcc14858ae9b27315dd7de76370b94f3a Mailing List Patch
https://git.kernel.org/stable/c/d54e4da98bbfa8c257bdca94c49652d81d18a4d8 Mailing List Patch
https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html Mailing List
https://security.netapp.com/advisory/ntap-20241108-0008/ Third Party Advisory
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.8:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.8:rc2:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

Configuration 3 (hide)

OR cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:*
cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*

Configuration 4 (hide)

AND
cpe:2.3:o:netapp:a800_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:a800:*:*:*:*:*:*:*:*

Configuration 5 (hide)

AND
cpe:2.3:o:netapp:c800_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:c800:*:*:*:*:*:*:*:*

Configuration 6 (hide)

AND
cpe:2.3:o:netapp:a900_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:a900:*:*:*:*:*:*:*:*

Configuration 7 (hide)

AND
cpe:2.3:o:netapp:a9500_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:a9500:*:*:*:*:*:*:*:*

Configuration 8 (hide)

AND
cpe:2.3:o:netapp:c190_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:c190:*:*:*:*:*:*:*:*

Configuration 9 (hide)

AND
cpe:2.3:o:netapp:a150_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:a150:*:*:*:*:*:*:*:*

Configuration 10 (hide)

AND
cpe:2.3:o:netapp:a220_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:a220:*:*:*:*:*:*:*:*

Configuration 11 (hide)

AND
cpe:2.3:o:netapp:fas2720_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:fas2720:*:*:*:*:*:*:*:*

Configuration 12 (hide)

AND
cpe:2.3:o:netapp:fas2750_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:fas2750:*:*:*:*:*:*:*:*

Configuration 13 (hide)

AND
cpe:2.3:o:netapp:fas2820_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:fas2820:*:*:*:*:*:*:*:*
History

10 Mar 2025, 16:58

Type Values Removed Values Added
CPE cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:a9500_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.8:rc2:*:*:*:*:*:*
cpe:2.3:h:netapp:a900:*:*:*:*:*:*:*:*
cpe:2.3:h:netapp:fas2750:*:*:*:*:*:*:*:*
cpe:2.3:o:netapp:fas2750_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:netapp:c800_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:a150:*:*:*:*:*:*:*:*
cpe:2.3:h:netapp:c800:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.8:rc1:*:*:*:*:*:*
cpe:2.3:h:netapp:a9500:*:*:*:*:*:*:*:*
cpe:2.3:o:netapp:fas2720_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:a150_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:fas2720:*:*:*:*:*:*:*:*
cpe:2.3:h:netapp:c190:*:*:*:*:*:*:*:*
cpe:2.3:o:netapp:a800_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:fas2820_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:fas2820:*:*:*:*:*:*:*:*
cpe:2.3:o:netapp:a900_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:a220:*:*:*:*:*:*:*:*
cpe:2.3:o:netapp:a220_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:a800:*:*:*:*:*:*:*:*
cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:*
cpe:2.3:o:netapp:c190_firmware:-:*:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5
CWE CWE-908
References () https://git.kernel.org/stable/c/350a6640fac4b53564ec20aa3f4a0922cb0ba5e6 - () https://git.kernel.org/stable/c/350a6640fac4b53564ec20aa3f4a0922cb0ba5e6 - Mailing List, Patch
References () https://git.kernel.org/stable/c/8d975c15c0cd744000ca386247432d57b21f9df0 - () https://git.kernel.org/stable/c/8d975c15c0cd744000ca386247432d57b21f9df0 - Mailing List, Patch
References () https://git.kernel.org/stable/c/a9bc32879a08f23cdb80a48c738017e39aea1080 - () https://git.kernel.org/stable/c/a9bc32879a08f23cdb80a48c738017e39aea1080 - Mailing List, Patch
References () https://git.kernel.org/stable/c/af6b5c50d47ab43e5272ad61935d0ed2e264d3f0 - () https://git.kernel.org/stable/c/af6b5c50d47ab43e5272ad61935d0ed2e264d3f0 - Mailing List, Patch
References () https://git.kernel.org/stable/c/c835df3bcc14858ae9b27315dd7de76370b94f3a - () https://git.kernel.org/stable/c/c835df3bcc14858ae9b27315dd7de76370b94f3a - Mailing List, Patch
References () https://git.kernel.org/stable/c/d54e4da98bbfa8c257bdca94c49652d81d18a4d8 - () https://git.kernel.org/stable/c/d54e4da98bbfa8c257bdca94c49652d81d18a4d8 - Mailing List, Patch
References () https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html - () https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html - Mailing List
References () https://security.netapp.com/advisory/ntap-20241108-0008/ - () https://security.netapp.com/advisory/ntap-20241108-0008/ - Third Party Advisory
First Time Netapp c190
Netapp
Netapp a800
Netapp active Iq Unified Manager
Netapp ontap Select Deploy Administration Utility
Netapp fas2820
Netapp c800
Netapp fas2720
Debian debian Linux
Netapp a150 Firmware
Debian
Linux
Netapp c190 Firmware
Netapp fas2720 Firmware
Netapp a150
Netapp a800 Firmware
Netapp a220
Netapp a900 Firmware
Netapp fas2750 Firmware
Netapp a220 Firmware
Netapp fas2820 Firmware
Linux linux Kernel
Netapp fas2750
Netapp a900
Netapp a9500
Netapp c800 Firmware
Netapp a9500 Firmware

21 Nov 2024, 09:02

Type Values Removed Values Added
References
  • () https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html -
  • () https://security.netapp.com/advisory/ntap-20241108-0008/ -
References () https://git.kernel.org/stable/c/350a6640fac4b53564ec20aa3f4a0922cb0ba5e6 - () https://git.kernel.org/stable/c/350a6640fac4b53564ec20aa3f4a0922cb0ba5e6 -
References () https://git.kernel.org/stable/c/8d975c15c0cd744000ca386247432d57b21f9df0 - () https://git.kernel.org/stable/c/8d975c15c0cd744000ca386247432d57b21f9df0 -
References () https://git.kernel.org/stable/c/a9bc32879a08f23cdb80a48c738017e39aea1080 - () https://git.kernel.org/stable/c/a9bc32879a08f23cdb80a48c738017e39aea1080 -
References () https://git.kernel.org/stable/c/af6b5c50d47ab43e5272ad61935d0ed2e264d3f0 - () https://git.kernel.org/stable/c/af6b5c50d47ab43e5272ad61935d0ed2e264d3f0 -
References () https://git.kernel.org/stable/c/c835df3bcc14858ae9b27315dd7de76370b94f3a - () https://git.kernel.org/stable/c/c835df3bcc14858ae9b27315dd7de76370b94f3a -
References () https://git.kernel.org/stable/c/d54e4da98bbfa8c257bdca94c49652d81d18a4d8 - () https://git.kernel.org/stable/c/d54e4da98bbfa8c257bdca94c49652d81d18a4d8 -

05 Nov 2024, 10:15

Type Values Removed Values Added
References
  • {'url': 'https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html', 'source': '416baaa9-dc9f-4396-8d5f-8c081fb06d67'}

25 Jun 2024, 22:15

Type Values Removed Values Added
References
  • () https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html -
Summary
  • (es) En el kernel de Linux, se resolvió la siguiente vulnerabilidad: ip6_tunnel: asegúrese de extraer el encabezado interno en __ip6_tnl_rcv(). El syzbot encontró que __ip6_tnl_rcv() podía acceder a datos unificados [1]. Llame a pskb_inet_may_pull() para solucionar este problema e inicialice la variable ipv6h después de esta llamada, ya que puede cambiar skb->head. [1] ERROR: KMSAN: valor uninit en __INET_ECN_decapsulate include/net/inet_ecn.h:253 [en línea] ERROR: KMSAN: valor uninit en INET_ECN_decapsulate include/net/inet_ecn.h:275 [en línea] ERROR: KMSAN: uninit -valor en IP6_ECN_decapsulate+0x7df/0x1e50 include/net/inet_ecn.h:321 __INET_ECN_decapsulate include/net/inet_ecn.h:253 [en línea] INET_ECN_decapsulate include/net/inet_ecn.h:275 [en línea] IP6_ECN_decapsulate+0x7df/0x1e50 include/ net/inet_ecn.h:321 ip6ip6_dscp_ecn_decapsulate+0x178/0x1b0 net/ipv6/ip6_tunnel.c:727 __ip6_tnl_rcv+0xd4e/0x1590 net/ipv6/ip6_tunnel.c:845 ip6_tnl_rcv+0xce/0x100 net/ipv 6/ip6_tunnel.c:888 gre_rcv +0x143f/0x1870 ip6_protocol_deliver_rcu+0xda6/0x2a60 net/ipv6/ip6_input.c:438 ip6_input_finish net/ipv6/ip6_input.c:483 [en línea] NF_HOOK include/linux/netfilter.h:314 [en línea] ip6_input+0x15d/0x 430 netos /ipv6/ip6_input.c:492 ip6_mc_input+0xa7e/0xc80 net/ipv6/ip6_input.c:586 dst_input include/net/dst.h:461 [en línea] ip6_rcv_finish+0x5db/0x870 net/ipv6/ip6_input.c:79 NF_HOOK include/linux/netfilter.h:314 [en línea] ipv6_rcv+0xda/0x390 net/ipv6/ip6_input.c:310 __netif_receive_skb_one_core net/core/dev.c:5532 [en línea] __netif_receive_skb+0x1a6/0x5a0 net/core/dev. c:5646 netif_receive_skb_internal net/core/dev.c:5732 [en línea] netif_receive_skb+0x58/0x660 net/core/dev.c:5791 tun_rx_batched+0x3ee/0x980 drivers/net/tun.c:1555 tun_get_user+0x53af/0x66d0 drivers /net/tun.c:2002 tun_chr_write_iter+0x3af/0x5d0 drivers/net/tun.c:2048 call_write_iter include/linux/fs.h:2084 [en línea] new_sync_write fs/read_write.c:497 [en línea] vfs_write+0x786/ 0x1200 fs/read_write.c:590 ksys_write+0x20f/0x4c0 fs/read_write.c:643 __do_sys_write fs/read_write.c:655 [en línea] __se_sys_write fs/read_write.c:652 [en línea] __x64_sys_write+0x93/0xd0 fs/read _escribir .c:652 do_syscall_x64 arch/x86/entry/common.c:52 [en línea] do_syscall_64+0x6d/0x140 arch/x86/entry/common.c:83 Entry_SYSCALL_64_after_hwframe+0x63/0x6b Uninit se creó en: slab_post_alloc_hook+0x129/0xa 70 mm/slab.h:768 slab_alloc_node mm/slub.c:3478 [en línea] kmem_cache_alloc_node+0x5e9/0xb10 mm/slub.c:3523 kmalloc_reserve+0x13d/0x4a0 net/core/skbuff.c:560 __alloc_skb+0x318/0x740 net /core/skbuff.c:651 alloc_skb include/linux/skbuff.h:1286 [en línea] alloc_skb_with_frags+0xc8/0xbd0 net/core/skbuff.c:6334 sock_alloc_send_pskb+0xa80/0xbf0 net/core/sock.c:2787 tun_alloc_skb drivers/net/tun.c:1531 [en línea] tun_get_user+0x1e8a/0x66d0 drivers/net/tun.c:1846 tun_chr_write_iter+0x3af/0x5d0 drivers/net/tun.c:2048 call_write_iter include/linux/fs.h:2084 [en línea] new_sync_write fs/read_write.c:497 [en línea] vfs_write+0x786/0x1200 fs/read_write.c:590 ksys_write+0x20f/0x4c0 fs/read_write.c:643 __do_sys_write fs/read_write.c:655 [en línea] __se_sys_write fs/read_write.c:652 [en línea] __x64_sys_write+0x93/0xd0 fs/read_write.c:652 do_syscall_x64 arch/x86/entry/common.c:52 [en línea] do_syscall_64+0x6d/0x140 arch/x86/entry/common. c:83 Entry_SYSCALL_64_after_hwframe+0x63/0x6b CPU: 0 PID: 5034 Comm: syz-executor331 No contaminado 6.7.0-syzkaller-00562-g9f8413c4a66f #0 Nombre del hardware: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/ 2023

18 Mar 2024, 11:15

Type Values Removed Values Added
New CVE
Information

Published : 2024-03-18 11:15

Updated : 2025-03-10 16:58

NVD link : CVE-2024-26641

Mitre link : CVE-2024-26641

CVE.ORG link : CVE-2024-26641

JSON object : View

Products Affected

netapp

  • fas2750_firmware
  • c190
  • a900_firmware
  • c190_firmware
  • a9500
  • active_iq_unified_manager
  • ontap_select_deploy_administration_utility
  • fas2820_firmware
  • a220_firmware
  • c800
  • a9500_firmware
  • a150_firmware
  • a800_firmware
  • a900
  • fas2750
  • a150
  • c800_firmware
  • a800
  • fas2720_firmware
  • fas2720
  • fas2820
  • a220

linux

  • linux_kernel

debian

  • debian_linux
CWE
CWE-908

Use of Uninitialized Resource