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Ubuntu: (Multiple Advisories) (CVE-2024-40959): Linux kernel vulnerabilities

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Ubuntu: (Multiple Advisories) (CVE-2024-40959): Linux kernel vulnerabilities

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
07/12/2024
Created
09/13/2024
Added
09/12/2024
Modified
10/02/2024

Description

In the Linux kernel, the following vulnerability has been resolved: xfrm6: check ip6_dst_idev() return value in xfrm6_get_saddr() ip6_dst_idev() can return NULL, xfrm6_get_saddr() must act accordingly. syzbot reported: Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 1 PID: 12 Comm: kworker/u8:1 Not tainted 6.10.0-rc2-syzkaller-00383-gb8481381d4e2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: wg-kex-wg1 wg_packet_handshake_send_worker RIP: 0010:xfrm6_get_saddr+0x93/0x130 net/ipv6/xfrm6_policy.c:64 Code: df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 97 00 00 00 4c 8b ab d8 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 ea 48 c1 ea 03 <80> 3c 02 00 0f 85 86 00 00 00 4d 8b 6d 00 e8 ca 13 47 01 48 b8 00 RSP: 0018:ffffc90000117378 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffff88807b079dc0 RCX: ffffffff89a0d6d7 RDX: 0000000000000000 RSI: ffffffff89a0d6e9 RDI: ffff88807b079e98 RBP: ffff88807ad73248 R08: 0000000000000007 R09: fffffffffffff000 R10: ffff88807b079dc0 R11: 0000000000000007 R12: ffffc90000117480 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4586d00440 CR3: 0000000079042000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> xfrm_get_saddr net/xfrm/xfrm_policy.c:2452 [inline] xfrm_tmpl_resolve_one net/xfrm/xfrm_policy.c:2481 [inline] xfrm_tmpl_resolve+0xa26/0xf10 net/xfrm/xfrm_policy.c:2541 xfrm_resolve_and_create_bundle+0x140/0x2570 net/xfrm/xfrm_policy.c:2835 xfrm_bundle_lookup net/xfrm/xfrm_policy.c:3070 [inline] xfrm_lookup_with_ifid+0x4d1/0x1e60 net/xfrm/xfrm_policy.c:3201 xfrm_lookup net/xfrm/xfrm_policy.c:3298 [inline] xfrm_lookup_route+0x3b/0x200 net/xfrm/xfrm_policy.c:3309 ip6_dst_lookup_flow+0x15c/0x1d0 net/ipv6/ip6_output.c:1256 send6+0x611/0xd20 drivers/net/wireguard/socket.c:139 wg_socket_send_skb_to_peer+0xf9/0x220 drivers/net/wireguard/socket.c:178 wg_socket_send_buffer_to_peer+0x12b/0x190 drivers/net/wireguard/socket.c:200 wg_packet_send_handshake_initiation+0x227/0x360 drivers/net/wireguard/send.c:40 wg_packet_handshake_send_worker+0x1c/0x30 drivers/net/wireguard/send.c:51 process_one_work+0x9fb/0x1b60 kernel/workqueue.c:3231 process_scheduled_works kernel/workqueue.c:3312 [inline] worker_thread+0x6c8/0xf70 kernel/workqueue.c:3393 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244

Solution(s)

  • ubuntu-upgrade-linux-image-5-15-0-1035-xilinx-zynqmp
  • ubuntu-upgrade-linux-image-5-15-0-1052-gkeop
  • ubuntu-upgrade-linux-image-5-15-0-1062-ibm
  • ubuntu-upgrade-linux-image-5-15-0-1062-raspi
  • ubuntu-upgrade-linux-image-5-15-0-1064-intel-iotg
  • ubuntu-upgrade-linux-image-5-15-0-1064-nvidia
  • ubuntu-upgrade-linux-image-5-15-0-1064-nvidia-lowlatency
  • ubuntu-upgrade-linux-image-5-15-0-1066-gke
  • ubuntu-upgrade-linux-image-5-15-0-1066-kvm
  • ubuntu-upgrade-linux-image-5-15-0-1067-oracle
  • ubuntu-upgrade-linux-image-5-15-0-1068-gcp
  • ubuntu-upgrade-linux-image-5-15-0-1069-aws
  • ubuntu-upgrade-linux-image-5-15-0-1072-azure
  • ubuntu-upgrade-linux-image-5-15-0-1072-azure-fde
  • ubuntu-upgrade-linux-image-5-15-0-121-generic
  • ubuntu-upgrade-linux-image-5-15-0-121-generic-64k
  • ubuntu-upgrade-linux-image-5-15-0-121-generic-lpae
  • ubuntu-upgrade-linux-image-5-15-0-121-lowlatency
  • ubuntu-upgrade-linux-image-5-15-0-121-lowlatency-64k
  • ubuntu-upgrade-linux-image-5-4-0-1043-iot
  • ubuntu-upgrade-linux-image-5-4-0-1051-xilinx-zynqmp
  • ubuntu-upgrade-linux-image-5-4-0-1079-ibm
  • ubuntu-upgrade-linux-image-5-4-0-1092-bluefield
  • ubuntu-upgrade-linux-image-5-4-0-1099-gkeop
  • ubuntu-upgrade-linux-image-5-4-0-1116-raspi
  • ubuntu-upgrade-linux-image-5-4-0-1120-kvm
  • ubuntu-upgrade-linux-image-5-4-0-1131-oracle
  • ubuntu-upgrade-linux-image-5-4-0-1132-aws
  • ubuntu-upgrade-linux-image-5-4-0-1136-gcp
  • ubuntu-upgrade-linux-image-5-4-0-1137-azure
  • ubuntu-upgrade-linux-image-5-4-0-195-generic
  • ubuntu-upgrade-linux-image-5-4-0-195-generic-lpae
  • ubuntu-upgrade-linux-image-5-4-0-195-lowlatency
  • ubuntu-upgrade-linux-image-6-8-0-1010-gke
  • ubuntu-upgrade-linux-image-6-8-0-1011-raspi
  • ubuntu-upgrade-linux-image-6-8-0-1012-ibm
  • ubuntu-upgrade-linux-image-6-8-0-1012-oem
  • ubuntu-upgrade-linux-image-6-8-0-1012-oracle
  • ubuntu-upgrade-linux-image-6-8-0-1012-oracle-64k
  • ubuntu-upgrade-linux-image-6-8-0-1013-nvidia
  • ubuntu-upgrade-linux-image-6-8-0-1013-nvidia-64k
  • ubuntu-upgrade-linux-image-6-8-0-1013-nvidia-lowlatency
  • ubuntu-upgrade-linux-image-6-8-0-1013-nvidia-lowlatency-64k
  • ubuntu-upgrade-linux-image-6-8-0-1014-azure
  • ubuntu-upgrade-linux-image-6-8-0-1014-azure-fde
  • ubuntu-upgrade-linux-image-6-8-0-1014-gcp
  • ubuntu-upgrade-linux-image-6-8-0-1015-aws
  • ubuntu-upgrade-linux-image-6-8-0-44-generic
  • ubuntu-upgrade-linux-image-6-8-0-44-generic-64k
  • ubuntu-upgrade-linux-image-6-8-0-44-lowlatency
  • ubuntu-upgrade-linux-image-6-8-0-44-lowlatency-64k
  • ubuntu-upgrade-linux-image-6-8-0-45-generic
  • ubuntu-upgrade-linux-image-6-8-0-45-generic-64k
  • ubuntu-upgrade-linux-image-aws
  • ubuntu-upgrade-linux-image-aws-lts-20-04
  • ubuntu-upgrade-linux-image-aws-lts-22-04
  • ubuntu-upgrade-linux-image-azure
  • ubuntu-upgrade-linux-image-azure-cvm
  • ubuntu-upgrade-linux-image-azure-fde
  • ubuntu-upgrade-linux-image-azure-fde-lts-22-04
  • ubuntu-upgrade-linux-image-azure-lts-20-04
  • ubuntu-upgrade-linux-image-azure-lts-22-04
  • ubuntu-upgrade-linux-image-bluefield
  • ubuntu-upgrade-linux-image-gcp
  • ubuntu-upgrade-linux-image-gcp-lts-20-04
  • ubuntu-upgrade-linux-image-gcp-lts-22-04
  • ubuntu-upgrade-linux-image-generic
  • ubuntu-upgrade-linux-image-generic-64k
  • ubuntu-upgrade-linux-image-generic-64k-hwe-20-04
  • ubuntu-upgrade-linux-image-generic-64k-hwe-22-04
  • ubuntu-upgrade-linux-image-generic-64k-hwe-24-04
  • ubuntu-upgrade-linux-image-generic-hwe-18-04
  • ubuntu-upgrade-linux-image-generic-hwe-20-04
  • ubuntu-upgrade-linux-image-generic-hwe-22-04
  • ubuntu-upgrade-linux-image-generic-hwe-24-04
  • ubuntu-upgrade-linux-image-generic-lpae
  • ubuntu-upgrade-linux-image-generic-lpae-hwe-20-04
  • ubuntu-upgrade-linux-image-gke
  • ubuntu-upgrade-linux-image-gke-5-15
  • ubuntu-upgrade-linux-image-gkeop
  • ubuntu-upgrade-linux-image-gkeop-5-15
  • ubuntu-upgrade-linux-image-gkeop-5-4
  • ubuntu-upgrade-linux-image-ibm
  • ubuntu-upgrade-linux-image-ibm-classic
  • ubuntu-upgrade-linux-image-ibm-lts-20-04
  • ubuntu-upgrade-linux-image-ibm-lts-24-04
  • ubuntu-upgrade-linux-image-intel
  • ubuntu-upgrade-linux-image-intel-iotg
  • ubuntu-upgrade-linux-image-kvm
  • ubuntu-upgrade-linux-image-lowlatency
  • ubuntu-upgrade-linux-image-lowlatency-64k
  • ubuntu-upgrade-linux-image-lowlatency-64k-hwe-20-04
  • ubuntu-upgrade-linux-image-lowlatency-64k-hwe-22-04
  • ubuntu-upgrade-linux-image-lowlatency-hwe-18-04
  • ubuntu-upgrade-linux-image-lowlatency-hwe-20-04
  • ubuntu-upgrade-linux-image-lowlatency-hwe-22-04
  • ubuntu-upgrade-linux-image-nvidia
  • ubuntu-upgrade-linux-image-nvidia-6-8
  • ubuntu-upgrade-linux-image-nvidia-64k
  • ubuntu-upgrade-linux-image-nvidia-64k-6-8
  • ubuntu-upgrade-linux-image-nvidia-lowlatency
  • ubuntu-upgrade-linux-image-nvidia-lowlatency-64k
  • ubuntu-upgrade-linux-image-oem
  • ubuntu-upgrade-linux-image-oem-20-04
  • ubuntu-upgrade-linux-image-oem-20-04b
  • ubuntu-upgrade-linux-image-oem-20-04c
  • ubuntu-upgrade-linux-image-oem-20-04d
  • ubuntu-upgrade-linux-image-oem-22-04
  • ubuntu-upgrade-linux-image-oem-22-04a
  • ubuntu-upgrade-linux-image-oem-22-04b
  • ubuntu-upgrade-linux-image-oem-22-04c
  • ubuntu-upgrade-linux-image-oem-22-04d
  • ubuntu-upgrade-linux-image-oem-osp1
  • ubuntu-upgrade-linux-image-oracle
  • ubuntu-upgrade-linux-image-oracle-64k
  • ubuntu-upgrade-linux-image-oracle-lts-20-04
  • ubuntu-upgrade-linux-image-oracle-lts-22-04
  • ubuntu-upgrade-linux-image-raspi
  • ubuntu-upgrade-linux-image-raspi-hwe-18-04
  • ubuntu-upgrade-linux-image-raspi-nolpae
  • ubuntu-upgrade-linux-image-raspi2
  • ubuntu-upgrade-linux-image-raspi2-hwe-18-04
  • ubuntu-upgrade-linux-image-snapdragon-hwe-18-04
  • ubuntu-upgrade-linux-image-virtual
  • ubuntu-upgrade-linux-image-virtual-hwe-18-04
  • ubuntu-upgrade-linux-image-virtual-hwe-20-04
  • ubuntu-upgrade-linux-image-virtual-hwe-22-04
  • ubuntu-upgrade-linux-image-virtual-hwe-24-04
  • ubuntu-upgrade-linux-image-xilinx-zynqmp

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