cbcvebase.
CVE-2022-48691
published 2024-05-03

CVE-2022-48691: In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: clean up hook list when offload flags check fails splice back the…

PriorityP419medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
EPSS
0.23%
13.9th percentile
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: clean up hook list when offload flags check fails splice back the hook list so nft_chain_release_hook() has a chance to release the hooks. BUG: memory leak unreferenced object 0xffff88810180b100 (size 96): comm "syz-executor133", pid 3619, jiffies 4294945714 (age 12.690s) hex dump (first 32 bytes): 28 64 23 02 81 88 ff ff 28 64 23 02 81 88 ff ff (d#.....(d#..... 90 a8 aa 83 ff ff ff ff 00 00 b5 0f 81 88 ff ff ................ backtrace: [] kmalloc include/linux/slab.h:600 [inline] [] nft_netdev_hook_alloc+0x3b/0xc0 net/netfilter/nf_tables_api.c:1901 [] nft_chain_parse_netdev net/netfilter/nf_tables_api.c:1998 [inline] [] nft_chain_parse_hook+0x33a/0x530 net/netfilter/nf_tables_api.c:2073 [] nf_tables_addchain.constprop.0+0x10b/0x950 net/netfilter/nf_tables_api.c:2218 [] nf_tables_newchain+0xa8b/0xc60 net/netfilter/nf_tables_api.c:2593 [] nfnetlink_rcv_batch+0xa46/0xd20 net/netfilter/nfnetlink.c:517 [] nfnetlink_rcv_skb_batch net/netfilter/nfnetlink.c:638 [inline] [] nfnetlink_rcv+0x1f9/0x220 net/netfilter/nfnetlink.c:656 [] netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] [] netlink_unicast+0x397/0x4c0 net/netlink/af_netlink.c:1345 [] netlink_sendmsg+0x396/0x710 net/netlink/af_netlink.c:1921 [] sock_sendmsg_nosec net/socket.c:714 [inline] [] sock_sendmsg+0x56/0x80 net/socket.c:734 [] ____sys_sendmsg+0x36c/0x390 net/socket.c:2482 [] ___sys_sendmsg+0xa8/0x110 net/socket.c:2536 [] __sys_sendmsg+0x88/0x100 net/socket.c:2565 [] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 [] entry_SYSCALL_64_after_hwframe+0x63/0xcd

Affected

13 ranges
VendorProductVersion rangeFixed in
debianlinux< linux 5.19.11-1 (bookworm)linux 5.19.11-1 (bookworm)
linuxlinux——
linuxlinux>= d54725cd11a57c30f650260cfb0a92c268bdc3e0 < 910891a2a44cdc49efcc4fe7459c1085ba00d0f4910891a2a44cdc49efcc4fe7459c1085ba00d0f4
linuxlinux>= d54725cd11a57c30f650260cfb0a92c268bdc3e0 < 1ce55ec5cb7c573c983dffbe290b8d17caf1f1571ce55ec5cb7c573c983dffbe290b8d17caf1f157
linuxlinux>= d54725cd11a57c30f650260cfb0a92c268bdc3e0 < 94ed8eeb8d9aeb00e4f4e19b83a2e28b6442fbc594ed8eeb8d9aeb00e4f4e19b83a2e28b6442fbc5
linuxlinux>= d54725cd11a57c30f650260cfb0a92c268bdc3e0 < 77972a36ecc4db7fc7c68f0e80714263c5f03f6577972a36ecc4db7fc7c68f0e80714263c5f03f65
linuxlinux_kernel>= 0 < 5.10.148-15.10.148-1
linuxlinux_kernel>= 0 < 5.19.11-15.19.11-1
linuxlinux_kernel>= 0 < 5.19.11-15.19.11-1
linuxlinux_kernel>= 0 < 5.19.11-15.19.11-1
linuxlinux_kernel>= 5.11 < 5.15.685.15.68
linuxlinux_kernel>= 5.16 < 5.19.95.19.9
linuxlinux_kernel>= 5.5 < 5.10.1435.10.143

CVSS provenance

nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
osv5.5MEDIUM
vendor_debian5.5MEDIUM
vendor_redhat5.5MEDIUM
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