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 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:
    [<ffffffff83a8c59b>] kmalloc include/linux/slab.h:600 [inline]
    [<ffffffff83a8c59b>] nft_netdev_hook_alloc+0x3b/0xc0 net/netfilter/nf_tables_api.c:1901
    [<ffffffff83a9239a>] nft_chain_parse_netdev net/netfilter/nf_tables_api.c:1998 [inline]
    [<ffffffff83a9239a>] nft_chain_parse_hook+0x33a/0x530 net/netfilter/nf_tables_api.c:2073
    [<ffffffff83a9b14b>] nf_tables_addchain.constprop.0+0x10b/0x950 net/netfilter/nf_tables_api.c:2218
    [<ffffffff83a9c41b>] nf_tables_newchain+0xa8b/0xc60 net/netfilter/nf_tables_api.c:2593
    [<ffffffff83a3d6a6>] nfnetlink_rcv_batch+0xa46/0xd20 net/netfilter/nfnetlink.c:517
    [<ffffffff83a3db79>] nfnetlink_rcv_skb_batch net/netfilter/nfnetlink.c:638 [inline]
    [<ffffffff83a3db79>] nfnetlink_rcv+0x1f9/0x220 net/netfilter/nfnetlink.c:656
    [<ffffffff83a13b17>] netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]
    [<ffffffff83a13b17>] netlink_unicast+0x397/0x4c0 net/netlink/af_netlink.c:1345
    [<ffffffff83a13fd6>] netlink_sendmsg+0x396/0x710 net/netlink/af_netlink.c:1921
    [<ffffffff83865ab6>] sock_sendmsg_nosec net/socket.c:714 [inline]
    [<ffffffff83865ab6>] sock_sendmsg+0x56/0x80 net/socket.c:734
    [<ffffffff8386601c>] ____sys_sendmsg+0x36c/0x390 net/socket.c:2482
    [<ffffffff8386a918>] ___sys_sendmsg+0xa8/0x110 net/socket.c:2536
    [<ffffffff8386aaa8>] __sys_sendmsg+0x88/0x100 net/socket.c:2565
    [<ffffffff845e5955>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<ffffffff845e5955>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
    [<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.5 MEDIUM
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
LinuxCNA
---
---
CISA-ADPADP
5.3 MEDIUM
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 19%
VendorProductVersion
linuxlinux_kernel
5.5 ≤
𝑥
< 5.10.143
linuxlinux_kernel
5.11 ≤
𝑥
< 5.15.68
linuxlinux_kernel
5.16 ≤
𝑥
< 5.19.9
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
linux
bullseye
5.10.223-1
fixed
buster
not-affected
bullseye (security)
5.10.226-1
fixed
bookworm
6.1.106-3
fixed
bookworm (security)
6.1.112-1
fixed
trixie
6.11.5-1
fixed
sid
6.11.6-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
linux
noble
not-affected
mantic
not-affected
jammy
Fixed 5.15.0-57.63
released
focal
not-affected
bionic
not-affected
xenial
not-affected
trusty
not-affected
linux-allwinner-5.19
noble
dne
mantic
dne
jammy
ignored
focal
dne
linux-aws
noble
not-affected
mantic
not-affected
jammy
Fixed 5.15.0-1027.31
released
focal
not-affected
bionic
not-affected
xenial
not-affected
trusty
not-affected
linux-aws-5.0
noble
dne
mantic
dne
jammy
dne
focal
dne
bionic
ignored
linux-aws-5.11
noble
dne
mantic
dne
jammy
dne
focal
ignored
linux-aws-5.13
noble
dne
mantic
dne
jammy
dne
focal
ignored
linux-aws-5.15
noble
dne
mantic
dne
jammy
dne
focal
Fixed 5.15.0-1027.31~20.04.1
released
linux-aws-5.19
noble
dne
mantic
dne
jammy
ignored
focal
dne
linux-aws-5.3
noble
dne
mantic
dne
jammy
dne
focal
dne
bionic
ignored
linux-aws-5.4
noble
dne
mantic
dne
jammy
dne
focal
dne
bionic
not-affected
linux-aws-5.8
noble
dne
mantic
dne
jammy
dne
focal
ignored
linux-aws-6.2
noble
dne
mantic
dne
jammy
ignored
focal
dne
linux-aws-6.5
noble
dne
mantic
dne
jammy
not-affected
focal
dne
linux-aws-fips
noble
dne
mantic
dne
jammy
dne
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-aws-hwe
noble
dne
mantic
dne
jammy
dne
focal
dne
xenial
not-affected
linux-azure
noble
not-affected
mantic
not-affected
jammy
Fixed 5.15.0-1030.37
released
focal
not-affected
bionic
ignored
xenial
not-affected
trusty
not-affected
linux-azure-4.15
noble
dne
mantic
dne
jammy
dne
focal
dne
bionic
not-affected
linux-azure-5.11
noble
dne
mantic
dne
jammy
dne
focal
ignored
linux-azure-5.13
noble
dne
mantic
dne
jammy
dne
focal
ignored
linux-azure-5.15
noble
dne
mantic
dne
jammy
dne
focal
Fixed 5.15.0-1030.37~20.04.1
released
linux-azure-5.19
noble
dne
mantic
dne
jammy
ignored
focal
dne
linux-azure-5.3
noble
dne
mantic
dne
jammy
dne
focal
dne
bionic
ignored
linux-azure-5.4
noble
dne
mantic
dne
jammy
dne
focal
dne
bionic
not-affected
linux-azure-5.8
noble
dne
mantic
dne
jammy
dne
focal
ignored
linux-azure-6.2
noble
dne
mantic
dne
jammy
ignored
focal
dne
linux-azure-6.5
noble
dne
mantic
dne
jammy
not-affected
focal
dne
linux-azure-edge
noble
dne
mantic
dne
jammy
dne
focal
dne
bionic
ignored
linux-azure-fde
noble
dne
mantic
dne
jammy
Fixed 5.15.0-1030.37.1
released
focal
ignored
linux-azure-fde-5.15
noble
dne
mantic
dne
jammy
dne
focal
Fixed 5.15.0-1030.37~20.04.1.1
released
linux-azure-fde-5.19
noble
dne
mantic
dne
jammy
ignored
focal
dne
linux-azure-fde-6.2
noble
dne
mantic
dne
jammy
ignored
focal
dne
linux-azure-fips
noble
dne
mantic
dne
jammy
dne
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-bluefield
noble
dne
mantic
dne
jammy
dne
focal
not-affected
linux-fips
noble
dne
mantic
dne
jammy
dne
focal
dne
linux-gcp
noble
not-affected
mantic
not-affected
jammy
Fixed 5.15.0-1026.33
released
focal
not-affected
bionic
ignored
xenial
not-affected
linux-gcp-4.15
noble
dne
mantic
dne
jammy
dne
focal
dne
bionic
not-affected
linux-gcp-5.11
noble
dne
mantic
dne
jammy
dne
focal
ignored
linux-gcp-5.13
noble
dne
mantic
dne
jammy
dne
focal
ignored
linux-gcp-5.15
noble
dne
mantic
dne
jammy
dne
focal
Fixed 5.15.0-1026.33~20.04.1
released
linux-gcp-5.19
noble
dne
mantic
dne
jammy
ignored
focal
dne
linux-gcp-5.3
noble
dne
mantic
dne
jammy
dne
focal
dne
bionic
ignored
linux-gcp-5.4
noble
dne
mantic
dne
jammy
dne
focal
dne
bionic
not-affected
linux-gcp-5.8
noble
dne
mantic
dne
jammy
dne
focal
ignored
linux-gcp-6.2
noble
dne
mantic
dne
jammy
ignored
focal
dne
linux-gcp-6.5
noble
dne
mantic
dne
jammy
not-affected
focal
dne
linux-gcp-fips
noble
dne
mantic
dne
jammy
dne
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-gke
noble
not-affected
mantic
dne
jammy
Fixed 5.15.0-1024.29
released
focal
ignored
linux-gke-4.15
noble
dne
mantic
dne
jammy
dne
focal
dne
bionic
ignored
linux-gke-5.15
noble
dne
mantic
dne
jammy
dne
focal
ignored
linux-gke-5.4
noble
dne
mantic
dne
jammy
dne
focal
dne
bionic
ignored
linux-gkeop
noble
dne
mantic
dne
jammy
Fixed 5.15.0-1012.16
released
focal
not-affected
linux-gkeop-5.15
noble
dne
mantic
dne
jammy
dne
focal
Fixed 5.15.0-1012.16~20.04.1
released
linux-gkeop-5.4
noble
dne
mantic
dne
jammy
dne
focal
dne
bionic
ignored
linux-hwe
noble
dne
mantic
dne
jammy
dne
focal
dne
bionic
ignored
xenial
not-affected
linux-hwe-5.11
noble
dne
mantic
dne
jammy
dne
focal
ignored
linux-hwe-5.13
noble
dne
mantic
dne
jammy
dne
focal
ignored
linux-hwe-5.15
noble
dne
mantic
dne
jammy
dne
focal
Fixed 5.15.0-57.63~20.04.1
released
linux-hwe-5.19
noble
dne
mantic
dne
jammy
ignored
focal
dne
linux-hwe-5.4
noble
dne
mantic
dne
jammy
dne
focal
dne
bionic
not-affected
linux-hwe-5.8
noble
dne
mantic
dne
jammy
dne
focal
ignored
linux-hwe-6.2
noble
dne
mantic
dne
jammy
ignored
focal
dne
linux-hwe-6.5
noble
dne
mantic
dne
jammy
not-affected
focal
dne
linux-hwe-6.8
noble
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-hwe-edge
noble
dne
mantic
dne
jammy
dne
focal
dne
bionic
ignored
xenial
ignored
linux-ibm
noble
not-affected
mantic
ignored
jammy
Fixed 5.15.0-1022.25
released
focal
not-affected
linux-ibm-5.15
noble
dne
mantic
dne
jammy
dne
focal
not-affected
linux-ibm-5.4
noble
dne
mantic
dne
jammy
dne
focal
dne
bionic
not-affected
linux-intel
noble
not-affected
mantic
dne
jammy
dne
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-intel-5.13
noble
dne
mantic
dne
jammy
dne
focal
ignored
linux-intel-iot-realtime
noble
dne
jammy
dne
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-intel-iotg
noble
dne
mantic
dne
jammy
Fixed 5.15.0-1023.28
released
focal
dne
linux-intel-iotg-5.15
noble
dne
mantic
dne
jammy
dne
focal
Fixed 5.15.0-1023.28~20.04.1
released
linux-iot
noble
dne
mantic
dne
jammy
dne
focal
not-affected
linux-kvm
noble
dne
mantic
dne
jammy
Fixed 5.15.0-1025.30
released
focal
not-affected
bionic
not-affected
xenial
not-affected
linux-laptop
noble
dne
mantic
not-affected
jammy
dne
focal
dne
linux-lowlatency
noble
not-affected
mantic
not-affected
jammy
Fixed 5.15.0-57.63
released
focal
dne
linux-lowlatency-hwe-5.15
noble
dne
mantic
dne
jammy
dne
focal
Fixed 5.15.0-58.64~20.04.1
released
linux-lowlatency-hwe-5.19
noble
dne
mantic
dne
jammy
ignored
focal
dne
linux-lowlatency-hwe-6.2
noble
dne
mantic
dne
jammy
ignored
focal
dne
linux-lowlatency-hwe-6.5
noble
dne
mantic
dne
jammy
not-affected
focal
dne
linux-lowlatency-hwe-6.8
noble
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-lts-xenial
noble
dne
mantic
dne
jammy
dne
focal
dne
trusty
not-affected
linux-nvidia
noble
not-affected
mantic
dne
jammy
Fixed 5.15.0-1015.15
released
focal
dne
linux-nvidia-6.2
noble
dne
mantic
dne
jammy
ignored
focal
dne
linux-nvidia-6.5
noble
dne
mantic
dne
jammy
not-affected
focal
dne
linux-nvidia-6.8
noble
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-nvidia-lowlatency
noble
not-affected
jammy
dne
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-oem
noble
dne
mantic
dne
jammy
dne
focal
dne
bionic
ignored
linux-oem-5.10
noble
dne
mantic
dne
jammy
dne
focal
ignored
linux-oem-5.13
noble
dne
mantic
dne
jammy
dne
focal
ignored
linux-oem-5.14
noble
dne
mantic
dne
jammy
dne
focal
ignored
linux-oem-5.17
noble
dne
mantic
dne
jammy
ignored
focal
dne
linux-oem-5.6
noble
dne
mantic
dne
jammy
dne
focal
ignored
linux-oem-6.0
noble
dne
mantic
dne
jammy
ignored
focal
dne
linux-oem-6.1
noble
dne
mantic
dne
jammy
ignored
focal
dne
linux-oem-6.5
noble
dne
mantic
dne
jammy
not-affected
focal
dne
linux-oem-6.8
noble
not-affected
mantic
dne
jammy
dne
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-oracle
noble
not-affected
mantic
not-affected
jammy
Fixed 5.15.0-1026.32
released
focal
not-affected
bionic
not-affected
xenial
not-affected
linux-oracle-5.0
noble
dne
mantic
dne
jammy
dne
focal
dne
bionic
ignored
linux-oracle-5.11
noble
dne
mantic
dne
jammy
dne
focal
ignored
linux-oracle-5.13
noble
dne
mantic
dne
jammy
dne
focal
ignored
linux-oracle-5.15
noble
dne
mantic
dne
jammy
dne
focal
Fixed 5.15.0-1027.33~20.04.1
released
linux-oracle-5.3
noble
dne
mantic
dne
jammy
dne
focal
dne
bionic
ignored
linux-oracle-5.4
noble
dne
mantic
dne
jammy
dne
focal
dne
bionic
not-affected
linux-oracle-5.8
noble
dne
mantic
dne
jammy
dne
focal
ignored
linux-oracle-6.5
noble
dne
mantic
dne
jammy
not-affected
focal
dne
linux-raspi
noble
not-affected
mantic
not-affected
jammy
Fixed 5.15.0-1022.24
released
focal
not-affected
linux-raspi-5.4
noble
dne
mantic
dne
jammy
dne
focal
dne
bionic
not-affected
linux-raspi-realtime
noble
dne
jammy
dne
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-raspi2
noble
dne
mantic
dne
jammy
dne
focal
ignored
linux-realtime
noble
dne
jammy
ignored
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-riscv
noble
not-affected
mantic
not-affected
jammy
ignored
focal
ignored
linux-riscv-5.11
noble
dne
mantic
dne
jammy
dne
focal
ignored
linux-riscv-5.15
noble
dne
mantic
dne
jammy
dne
focal
Fixed 5.15.0-1027.31~20.04.1
released
linux-riscv-5.19
noble
dne
mantic
dne
jammy
ignored
focal
dne
linux-riscv-5.8
noble
dne
mantic
dne
jammy
dne
focal
ignored
linux-riscv-6.5
noble
dne
mantic
dne
jammy
not-affected
focal
dne
linux-riscv-6.8
noble
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-starfive
noble
dne
mantic
not-affected
jammy
dne
focal
dne
linux-starfive-5.19
noble
dne
mantic
dne
jammy
ignored
focal
dne
linux-starfive-6.2
noble
dne
mantic
dne
jammy
ignored
focal
dne
linux-starfive-6.5
noble
dne
mantic
dne
jammy
not-affected
focal
dne
linux-xilinx-zynqmp
noble
dne
mantic
dne
jammy
not-affected
focal
not-affected