cbcvebase.
CVE-2024-40960
published 2024-07-12

CVE-2024-40960: In the Linux kernel, the following vulnerability has been resolved: ipv6: prevent possible NULL dereference in rt6_probe() syzbot caught a NULL dereference in…

PriorityP422medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
EPSS
0.27%
19.0th percentile
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 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: 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 [inli

Affected

30 ranges· showing 25
VendorProductVersion rangeFixed in
debianlinux< linux 6.1.99-1 (bookworm)linux 6.1.99-1 (bookworm)
debianlinux-6.1< linux 6.1.99-1 (bookworm)linux 6.1.99-1 (bookworm)
linuxlinux
linuxlinux>= 52e1635631b342803aecaf81a362c1464e3da2e5 < f0cda984e4e634b221dbf9642b8ecc5b4806b41ef0cda984e4e634b221dbf9642b8ecc5b4806b41e
linuxlinux>= 52e1635631b342803aecaf81a362c1464e3da2e5 < d66fc4826127c82f99c4033380f8e93833d331c7d66fc4826127c82f99c4033380f8e93833d331c7
linuxlinux>= 52e1635631b342803aecaf81a362c1464e3da2e5 < 1ed9849fdf9a1a617129346b11d2094ca26828dc1ed9849fdf9a1a617129346b11d2094ca26828dc
linuxlinux>= 52e1635631b342803aecaf81a362c1464e3da2e5 < 569c9d9ea6648d099187527b93982f406ddcebc0569c9d9ea6648d099187527b93982f406ddcebc0
linuxlinux>= 52e1635631b342803aecaf81a362c1464e3da2e5 < 51ee2f7c30790799d0ec30c0ce0c743e58f046f251ee2f7c30790799d0ec30c0ce0c743e58f046f2
linuxlinux>= 52e1635631b342803aecaf81a362c1464e3da2e5 < 73e7c8ca6ad76f29b2c99c20845a6f3b203ff0c673e7c8ca6ad76f29b2c99c20845a6f3b203ff0c6
linuxlinux>= 52e1635631b342803aecaf81a362c1464e3da2e5 < 6eed6d3cd19ff3cfa83aeceed86da14abaf7417b6eed6d3cd19ff3cfa83aeceed86da14abaf7417b
linuxlinux>= 52e1635631b342803aecaf81a362c1464e3da2e5 < b86762dbe19a62e785c189f313cda5b989931f37b86762dbe19a62e785c189f313cda5b989931f37
linuxlinux_kernel
linuxlinux_kernel>= 0 < 5.10.221-15.10.221-1
linuxlinux_kernel>= 0 < 6.1.99-16.1.99-1
linuxlinux_kernel>= 0 < 6.9.7-16.9.7-1
linuxlinux_kernel>= 0 < 6.9.7-16.9.7-1
linuxlinux_kernel>= 0 < 5.4.0-195.2155.4.0-195.215
linuxlinux_kernel>= 0 < 5.15.0-121.1315.15.0-121.131
linuxlinux_kernel>= 0 < 6.8.0-44.446.8.0-44.44
linuxlinux_kernel>= 2.6.17 < 4.19.3174.19.317
linuxlinux_kernel>= 4.20 < 5.4.2795.4.279
linuxlinux_kernel>= 5.11 < 5.15.1625.15.162
linuxlinux_kernel>= 5.16 < 6.1.966.1.96
linuxlinux_kernel>= 5.5 < 5.10.2215.10.221
linuxlinux_kernel>= 6.2 < 6.6.366.6.36

CVSS provenance

nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
osv7.8HIGH
vendor_ubuntu7.8HIGH
vendor_debian5.5MEDIUM
vendor_msrc5.5MEDIUM
vendor_redhat5.5MEDIUM
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