UBUNTU-CVE-2024-26863
In the Linux kernel, the following vulnerability has been resolved: hsr: Fix uninit-value access in hsr_get_node() KMSAN reported the following uninit-value access issue [1]: ===================================================== BUG: KMSAN: uninit-value in hsr_get_node+0xa2e/0xa40 net/hsr/hsr_framereg.c:246 hsr_get_node+0xa2e/0xa40 net/hsr/hsr_framereg.c:246 fill_frame_info net/hsr/hsr_forward.c:577 [inline] hsr_forward_skb+0xe12/0x30e0 net/hsr/hsr_forward.c:615 hsr_dev_xmit+0x1a1/0x270 net/hsr/hsr_device.c:223 __netdev_start_xmit include/linux/netdevice.h:4940 [inline] netdev_start_xmit include/linux/netdevice.h:4954 [inline] xmit_one net/core/dev.c:3548 [inline] dev_hard_start_xmit+0x247/0xa10 net/core/dev.c:3564 __dev_queue_xmit+0x33b8/0x5130 net/core/dev.c:4349 dev_queue_xmit include/linux/netdevice.h:3134 [inline] packet_xmit+0x9c/0x6b0 net/packet/af_packet.c:276 packet_snd net/packet/af_packet.c:3087 [inline] packet_sendmsg+0x8b1d/0x9f30 net/packet/af_packet.c:3119 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg net/socket.c:745 [inline] __sys_sendto+0x735/0xa10 net/socket.c:2191 __do_sys_sendto net/socket.c:2203 [inline] __se_sys_sendto net/socket.c:2199 [inline] __x64_sys_sendto+0x125/0x1c0 net/socket.c:2199 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 packet_alloc_skb net/packet/af_packet.c:2936 [inline] packet_snd net/packet/af_packet.c:3030 [inline] packet_sendmsg+0x70e8/0x9f30 net/packet/af_packet.c:3119 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg net/socket.c:745 [inline] __sys_sendto+0x735/0xa10 net/socket.c:2191 __do_sys_sendto net/socket.c:2203 [inline] __se_sys_sendto net/socket.c:2199 [inline] __x64_sys_sendto+0x125/0x1c0 net/socket.c:2199 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: 1 PID: 5033 Comm: syz-executor334 Not tainted 6.7.0-syzkaller-00562-g9f8413c4a66f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 ===================================================== If the packet type ID field in the Ethernet header is either ETH_P_PRP or ETH_P_HSR, but it is not followed by an HSR tag, hsr_get_skb_sequence_nr() reads an invalid value as a sequence number. This causes the above issue. This patch fixes the issue by returning NULL if the Ethernet header is not followed by an HSR tag.
02 / AFFECTED SOFTWARE
Affected packages
3 explicit affected versions
1 explicit affected versions
21 explicit affected versions
16 explicit affected versions
10 explicit affected versions
1 explicit affected versions
1 explicit affected versions
80 explicit affected versions
8 explicit affected versions
1 explicit affected versions
11 explicit affected versions
90 explicit affected versions
10 explicit affected versions
29 explicit affected versions
43 explicit affected versions
50 explicit affected versions
6 explicit affected versions
12 explicit affected versions
70 explicit affected versions
19 explicit affected versions
6 explicit affected versions
52 explicit affected versions
4 explicit affected versions
38 explicit affected versions
61 explicit affected versions
49 explicit affected versions
38 explicit affected versions
10 explicit affected versions
12 explicit affected versions
45 explicit affected versions
7 explicit affected versions
46 explicit affected versions
88 explicit affected versions
13 explicit affected versions
35 explicit affected versions
5 explicit affected versions
14 explicit affected versions
18 explicit affected versions
7 explicit affected versions
101 explicit affected versions
33 explicit affected versions
5 explicit affected versions
13 explicit affected versions
4 explicit affected versions
23 explicit affected versions
106 explicit affected versions
7 explicit affected versions
45 explicit affected versions
5 explicit affected versions
7 explicit affected versions
12 explicit affected versions
36 explicit affected versions
12 explicit affected versions
14 explicit affected versions
7 explicit affected versions
78 explicit affected versions
12 explicit affected versions
1 explicit affected versions
93 explicit affected versions
101 explicit affected versions
12 explicit affected versions
89 explicit affected versions
105 explicit affected versions
75 explicit affected versions
10 explicit affected versions
173 explicit affected versions
37 explicit affected versions
13 explicit affected versions
10 explicit affected versions
25 explicit affected versions
31 explicit affected versions
26 explicit affected versions
13 explicit affected versions
4 explicit affected versions
1 explicit affected versions
29 explicit affected versions
81 explicit affected versions
13 explicit affected versions
49 explicit affected versions
3 explicit affected versions
1 explicit affected versions
77 explicit affected versions
47 explicit affected versions
93 explicit affected versions
99 explicit affected versions
9 explicit affected versions
33 explicit affected versions
23 explicit affected versions
10 explicit affected versions
11 explicit affected versions
12 explicit affected versions
122 explicit affected versions
7 explicit affected versions
12 explicit affected versions
92 explicit affected versions
2 explicit affected versions
37 explicit affected versions
30 explicit affected versions
51 explicit affected versions
115 explicit affected versions
46 explicit affected versions
150 explicit affected versions
136 explicit affected versions
10 explicit affected versions
26 explicit affected versions
6 explicit affected versions
27 explicit affected versions
1 explicit affected versions
6 explicit affected versions
13 explicit affected versions
5 explicit affected versions
122 explicit affected versions
51 explicit affected versions
16 explicit affected versions
49 explicit affected versions
6 explicit affected versions
39 explicit affected versions
3 explicit affected versions
76 explicit affected versions
1 explicit affected versions
2 explicit affected versions
58 explicit affected versions
12 explicit affected versions
35 explicit affected versions
27 explicit affected versions
21 explicit affected versions
10 explicit affected versions
5 explicit affected versions
8 explicit affected versions
1 explicit affected versions
10 explicit affected versions
2 explicit affected versions
13 explicit affected versions
81 explicit affected versions
13 explicit affected versions
10 explicit affected versions
45 explicit affected versions
7 explicit affected versions
77 explicit affected versions
41 explicit affected versions
12 explicit affected versions
80 explicit affected versions
44 explicit affected versions
16 explicit affected versions
3 explicit affected versions
13 explicit affected versions
26 explicit affected versions
35 explicit affected versions
37 explicit affected versions
6 explicit affected versions
14 explicit affected versions
38 explicit affected versions
39 explicit affected versions
9 explicit affected versions
38 explicit affected versions
11 explicit affected versions
46 explicit affected versions
7 explicit affected versions
20 explicit affected versions
83 explicit affected versions
52 explicit affected versions
126 explicit affected versions
105 explicit affected versions
4 explicit affected versions
1 explicit affected versions
44 explicit affected versions
98 explicit affected versions
13 explicit affected versions
43 explicit affected versions
46 explicit affected versions
129 explicit affected versions
150 explicit affected versions
10 explicit affected versions
8 explicit affected versions
1 explicit affected versions
14 explicit affected versions
81 explicit affected versions
4 explicit affected versions
70 explicit affected versions
11 explicit affected versions
1 explicit affected versions
52 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: hsr: Fix uninit-value access in hsr_get_node() KMSAN reported the following uninit-value access issue [1]: ===================================================== BUG: KMSAN: uninit-value in hsr_get_node+0xa2e/0xa40 net/hsr/hsr_framereg.c:246 hsr_get_node+0xa2e/0xa40 net/hsr/hsr_framereg.c:246 fill_frame_info net/hsr/hsr_forward.c:577 [inline] hsr_forward_skb+0xe12/0x30e0 net/hsr/hsr_forward.c:615 hsr_dev_xmit+0x1a1/0x270 net/hsr/hsr_device.c:223 __netdev_start_xmit include/linux/netdevice.h:4940 [inline] netdev_start_xmit include/linux/netdevice.h:4954 [inline] xmit_one net/core/dev.c:3548 [inline] dev_hard_start_xmit+0x247/0xa10 net/core/dev.c:3564 __dev_queue_xmit+0x33b8/0x5130 net/core/dev.c:4349 dev_queue_xmit include/linux/netdevice.h:3134 [inline] packet_xmit+0x9c/0x6b0 net/packet/af_packet.c:276 packet_snd net/packet/af_packet.c:3087 [inline] packet_sendmsg+0x8b1d/0x9f30 net/packet/af_packet.c:3119 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg net/socket.c:745 [inline] __sys_sendto+0x735/0xa10 net/socket.c:2191 __do_sys_sendto net/socket.c:2203 [inline] __se_sys_sendto net/socket.c:2199 [inline] __x64_sys_sendto+0x125/0x1c0 net/socket.c:2199 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 packet_alloc_skb net/packet/af_packet.c:2936 [inline] packet_snd net/packet/af_packet.c:3030 [inline] packet_sendmsg+0x70e8/0x9f30 net/packet/af_packet.c:3119 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg net/socket.c:745 [inline] __sys_sendto+0x735/0xa10 net/socket.c:2191 __do_sys_sendto net/socket.c:2203 [inline] __se_sys_sendto net/socket.c:2199 [inline] __x64_sys_sendto+0x125/0x1c0 net/socket.c:2199 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: 1 PID: 5033 Comm: syz-executor334 Not tainted 6.7.0-syzkaller-00562-g9f8413c4a66f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 ===================================================== If the packet type ID field in the Ethernet header is either ETH_P_PRP or ETH_P_HSR, but it is not followed by an HSR tag, hsr_get_skb_sequence_nr() reads an invalid value as a sequence number. This causes the above issue. This patch fixes the issue by returning NULL if the Ethernet header is not followed by an HSR tag.
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/ddbec99f58571301679addbc022256970ca3eac6
- https://git.kernel.org/stable/c/09e5cdbe2cc88c3c758927644a3eb02fac317209
- https://git.kernel.org/stable/c/1ed222ca7396938eb1ab2d034f1ba0d8b00a7122
- https://git.kernel.org/stable/c/39cc316fb3bc5e7c9dc5eed314fe510d119c6862
- https://git.kernel.org/stable/c/7fb2d4d6bb1c85f7a23aace0ed6c86a95dea792a
- https://git.kernel.org/stable/c/889ed056eae7fda85b769a9ab33c093379c45428
- https://git.kernel.org/stable/c/97d2148ea435dff4b4e71817c9032eb321bcd37e
- https://git.kernel.org/stable/c/a809bbfd0e503351d3051317288a70a4569a4949
- https://git.kernel.org/stable/c/ddbec99f58571301679addbc022256970ca3eac6
- https://git.kernel.org/stable/c/e3b2bfb8ff1810a537b2aa55ba906a6743ed120c
- https://ubuntu.com/security/CVE-2024-26863
- https://ubuntu.com/security/notices/USN-6816-1
- https://ubuntu.com/security/notices/USN-6817-1
- https://ubuntu.com/security/notices/USN-6817-2
- https://ubuntu.com/security/notices/USN-6817-3
- https://ubuntu.com/security/notices/USN-6820-1
- https://ubuntu.com/security/notices/USN-6820-2
- https://ubuntu.com/security/notices/USN-6821-1
- https://ubuntu.com/security/notices/USN-6821-2
- https://ubuntu.com/security/notices/USN-6821-3
- https://ubuntu.com/security/notices/USN-6821-4
- https://ubuntu.com/security/notices/USN-6828-1
- https://ubuntu.com/security/notices/USN-6871-1
- https://ubuntu.com/security/notices/USN-6878-1
- https://ubuntu.com/security/notices/USN-6892-1
- https://ubuntu.com/security/notices/USN-6896-1
- https://ubuntu.com/security/notices/USN-6896-2
- https://ubuntu.com/security/notices/USN-6896-3
- https://ubuntu.com/security/notices/USN-6896-4
- https://ubuntu.com/security/notices/USN-6896-5
- https://ubuntu.com/security/notices/USN-6919-1
- https://ubuntu.com/security/notices/USN-7428-1
- https://ubuntu.com/security/notices/USN-7428-2
- https://ubuntu.com/security/notices/USN-7429-1
- https://ubuntu.com/security/notices/USN-7429-2
- https://www.cve.org/CVERecord?id=CVE-2024-26863