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Ubuntu: (Multiple Advisories) (CVE-2024-40960): Linux kernel vulnerabilities

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Ubuntu: (Multiple Advisories) (CVE-2024-40960): 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: ipv6: prevent possible NULL dereference in rt6_probe() syzbot caught a NULL dereference in rt6_probe() [1] Bail out if __in6_dev_get() returns NULL. [1] Oops: general protection fault, probably for non-canonical address 0xdffffc00000000cb: 0000 [#1] PREEMPT SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000658-0x000000000000065f] CPU: 1 PID: 22444 Comm: syz-executor.0 Not tainted 6.10.0-rc2-syzkaller-00383-gb8481381d4e2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:rt6_probe net/ipv6/route.c:656 [inline] RIP: 0010:find_match+0x8c4/0xf50 net/ipv6/route.c:758 Code: 14 fd f7 48 8b 85 38 ff ff ff 48 c7 45 b0 00 00 00 00 48 8d b8 5c 06 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 19 RSP: 0018:ffffc900034af070 EFLAGS: 00010203 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90004521000 RDX: 00000000000000cb RSI: ffffffff8990d0cd RDI: 000000000000065c RBP: ffffc900034af150 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000002 R12: 000000000000000a R13: 1ffff92000695e18 R14: ffff8880244a1d20 R15: 0000000000000000 FS: 00007f4844a5a6c0(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b31b27000 CR3: 000000002d42c000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> rt6_nh_find_match+0xfa/0x1a0 net/ipv6/route.c:784 nexthop_for_each_fib6_nh+0x26d/0x4a0 net/ipv4/nexthop.c:1496 __find_rr_leaf+0x6e7/0xe00 net/ipv6/route.c:825 find_rr_leaf net/ipv6/route.c:853 [inline] rt6_select net/ipv6/route.c:897 [inline] fib6_table_lookup+0x57e/0xa30 net/ipv6/route.c:2195 ip6_pol_route+0x1cd/0x1150 net/ipv6/route.c:2231 pol_lookup_func include/net/ip6_fib.h:616 [inline] fib6_rule_lookup+0x386/0x720 net/ipv6/fib6_rules.c:121 ip6_route_output_flags_noref net/ipv6/route.c:2639 [inline] ip6_route_output_flags+0x1d0/0x640 net/ipv6/route.c:2651 ip6_dst_lookup_tail.constprop.0+0x961/0x1760 net/ipv6/ip6_output.c:1147 ip6_dst_lookup_flow+0x99/0x1d0 net/ipv6/ip6_output.c:1250 rawv6_sendmsg+0xdab/0x4340 net/ipv6/raw.c:898 inet_sendmsg+0x119/0x140 net/ipv4/af_inet.c:853 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg net/socket.c:745 [inline] sock_write_iter+0x4b8/0x5c0 net/socket.c:1160 new_sync_write fs/read_write.c:497 [inline] vfs_write+0x6b6/0x1140 fs/read_write.c:590 ksys_write+0x1f8/0x260 fs/read_write.c:643 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f

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

References

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