5.5
CVE-2022-48691
- EPSS 0.23%
- Veröffentlicht 03.05.2024 15:15:07
- Zuletzt bearbeitet 21.11.2024 07:33:47
- CVE-Watchlists
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netfilter: nf_tables: clean up hook list when offload flags check fails
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+0x63/0xcdDaten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 5.5 < 5.10.143
Linux ≫ Linux Kernel Version >= 5.11 < 5.15.68
Linux ≫ Linux Kernel Version >= 5.16 < 5.19.9
VulnDex Vulnerability Enrichment
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.23% | 0.136 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| nvd@nist.gov | 5.5 | 1.8 | 3.6 |
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
|
| 134c704f-9b21-4f2e-91b3-4a467353bcc0 | 5.3 | 1.8 | 3.4 |
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
|
CWE-401 Missing Release of Memory after Effective Lifetime
The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.
https://git.kernel.org/stable/c/1ce55ec5cb7c573c983dffbe290b8d17caf1f157
https://git.kernel.org/stable/c/77972a36ecc4db7fc7c68f0e80714263c5f03f65
https://git.kernel.org/stable/c/910891a2a44cdc49efcc4fe7459c1085ba00d0f4
https://git.kernel.org/stable/c/94ed8eeb8d9aeb00e4f4e19b83a2e28b6442fbc5