CVE-2023-53492
published 2025-10-01CVE-2023-53492: In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: do not ignore genmask when looking up chain by id When adding a rule…
PriorityP339high7.8CVSS 3.1
AVLACLPRLUINSUCHIHAH
EPSS
0.15%
5.0th percentile
In the Linux kernel, the following vulnerability has been resolved:
netfilter: nf_tables: do not ignore genmask when looking up chain by id
When adding a rule to a chain referring to its ID, if that chain had been
deleted on the same batch, the rule might end up referring to a deleted
chain.
This will lead to a WARNING like following:
[ 33.098431] ------------[ cut here ]------------
[ 33.098678] WARNING: CPU: 5 PID: 69 at net/netfilter/nf_tables_api.c:2037 nf_tables_chain_destroy+0x23d/0x260
[ 33.099217] Modules linked in:
[ 33.099388] CPU: 5 PID: 69 Comm: kworker/5:1 Not tainted 6.4.0+ #409
[ 33.099726] Workqueue: events nf_tables_trans_destroy_work
[ 33.100018] RIP: 0010:nf_tables_chain_destroy+0x23d/0x260
[ 33.100306] Code: 8b 7c 24 68 e8 64 9c ed fe 4c 89 e7 e8 5c 9c ed fe 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d 31 c0 89 c6 89 c7 c3 cc cc cc cc 0b 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d 31 c0 89 c6 89 c7
[ 33.101271] RSP: 0018:ffffc900004ffc48 EFLAGS: 00010202
[ 33.101546] RAX: 0000000000000001 RBX: ffff888006fc0a28 RCX: 0000000000000000
[ 33.101920] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 33.102649] RBP: ffffc900004ffc78 R08: 0000000000000000 R09: 0000000000000000
[ 33.103018] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880135ef500
[ 33.103385] R13: 0000000000000000 R14: dead000000000122 R15: ffff888006fc0a10
[ 33.103762] FS: 0000000000000000(0000) GS:ffff888024c80000(0000) knlGS:0000000000000000
[ 33.104184] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 33.104493] CR2: 00007fe863b56a50 CR3: 00000000124b0001 CR4: 0000000000770ee0
[ 33.104872] PKRU: 55555554
[ 33.104999] Call Trace:
[ 33.105113]
[ 33.105214] ? show_regs+0x72/0x90
[ 33.105371] ? __warn+0xa5/0x210
[ 33.105520] ? nf_tables_chain_destroy+0x23d/0x260
[ 33.105732] ? report_bug+0x1f2/0x200
[ 33.105902] ? handle_bug+0x46/0x90
[ 33.106546] ? exc_invalid_op+0x19/0x50
[ 33.106762] ? asm_exc_invalid_op+0x1b/0x20
[ 33.106995] ? nf_tables_chain_destroy+0x23d
Affected
16 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | linux | < linux 6.1.52-1 (bookworm) | linux 6.1.52-1 (bookworm) |
| linux | linux | — | — |
| linux | linux | >= 837830a4b439bfeb86c70b0115c280377c84714b < 4ae2e501331aaa506eaf760339bb2f43e5769395 | 4ae2e501331aaa506eaf760339bb2f43e5769395 |
| linux | linux | >= 837830a4b439bfeb86c70b0115c280377c84714b < 041e2ac88caef286b39064e83e825e3f53113d36 | 041e2ac88caef286b39064e83e825e3f53113d36 |
| linux | linux | >= 837830a4b439bfeb86c70b0115c280377c84714b < fc95c8b02c6160936f1f3d8d9d7f4f66f3c84b49 | fc95c8b02c6160936f1f3d8d9d7f4f66f3c84b49 |
| linux | linux | >= 837830a4b439bfeb86c70b0115c280377c84714b < 5e5e967e8505fbdabfb6497367ec1b808cadc356 | 5e5e967e8505fbdabfb6497367ec1b808cadc356 |
| linux | linux | >= 837830a4b439bfeb86c70b0115c280377c84714b < 515ad530795c118f012539ed76d02bacfd426d89 | 515ad530795c118f012539ed76d02bacfd426d89 |
| linux | linux_kernel | — | — |
| linux | linux_kernel | >= 0 < 5.10.191-1 | 5.10.191-1 |
| linux | linux_kernel | >= 0 < 6.1.52-1 | 6.1.52-1 |
| linux | linux_kernel | >= 0 < 6.4.4-1 | 6.4.4-1 |
| linux | linux_kernel | >= 0 < 6.4.4-1 | 6.4.4-1 |
| linux | linux_kernel | >= 5.11 < 5.15.121 | 5.15.121 |
| linux | linux_kernel | >= 5.16 < 6.1.39 | 6.1.39 |
| linux | linux_kernel | >= 5.9 < 5.10.188 | 5.10.188 |
| linux | linux_kernel | >= 6.2 < 6.4.4 | 6.4.4 |
CVSS provenance
nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
osv7.8HIGH
vendor_debian7.8HIGH
vendor_redhat7.8HIGH
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Red Hat
kernel: netfilter: nf_tables: do not ignore genmask when looking up chain by id
vendor_redhat·2025-10-01·CVSS 7.8
CVE-2023-53492 [HIGH] CWE-763 kernel: netfilter: nf_tables: do not ignore genmask when looking up chain by id
kernel: netfilter: nf_tables: do not ignore genmask when looking up chain by id
In the Linux kernel, the following vulnerability has been resolved:
netfilter: nf_tables: do not ignore genmask when looking up chain by id
When adding a rule to a chain referring to its ID, if that chain had been
deleted on the same batch, the rule might end up referring to a deleted
chain.
This will lead to a WARNING like following:
[ 33.098431] ------------[ cut here ]------------
[ 33.098678] WARNING: CPU: 5 PID: 69 at net/netfilter/nf_tables_api.c:2037 nf_tables_chain_destroy+0x23d/0x260
[ 33.099217] Modules linked in:
[ 33.099388] CPU: 5 PID: 69 Comm: kworker/5:1 Not tainted 6.4.0+ #409
[ 33.099726] Workqueue: events nf_tables_trans_destroy_work
[ 33.100018] RIP: 0010:nf_tables_chain_destroy+0x23d/0x260
Debian
CVE-2023-53492: linux - In the Linux kernel, the following vulnerability has been resolved: netfilter: ...
vendor_debian·2023·CVSS 7.8
CVE-2023-53492 [HIGH] CVE-2023-53492: linux - In the Linux kernel, the following vulnerability has been resolved: netfilter: ...
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: do not ignore genmask when looking up chain by id When adding a rule to a chain referring to its ID, if that chain had been deleted on the same batch, the rule might end up referring to a deleted chain. This will lead to a WARNING like following: [ 33.098431] ------------[ cut here ]------------ [ 33.098678] WARNING: CPU: 5 PID: 69 at net/netfilter/nf_tables_api.c:2037 nf_tables_chain_destroy+0x23d/0x260 [ 33.099217] Modules linked in: [ 33.099388] CPU: 5 PID: 69 Comm: kworker/5:1 Not tainted 6.4.0+ #409 [ 33.099726] Workqueue: events nf_tables_trans_destroy_work [ 33.100018] RIP: 0010:nf_tables_chain_destroy+0x23d/0x260 [ 33.100306] Code: 8b 7c 24 68 e8 64 9c ed fe 4c 89 e7 e8 5c 9c ed fe 48 83 c4 08
GHSA
GHSA-rj62-f3v9-qqwj: In the Linux kernel, the following vulnerability has been resolved:
netfilter: nf_tables: do not ignore genmask when looking up chain by id
When add
ghsa_unreviewed·2025-10-01
CVE-2023-53492 [HIGH] GHSA-rj62-f3v9-qqwj: In the Linux kernel, the following vulnerability has been resolved:
netfilter: nf_tables: do not ignore genmask when looking up chain by id
When add
In the Linux kernel, the following vulnerability has been resolved:
netfilter: nf_tables: do not ignore genmask when looking up chain by id
When adding a rule to a chain referring to its ID, if that chain had been
deleted on the same batch, the rule might end up referring to a deleted
chain.
This will lead to a WARNING like following:
[ 33.098431] ------------[ cut here ]------------
[ 33.098678] WARNING: CPU: 5 PID: 69 at net/netfilter/nf_tables_api.c:2037 nf_tables_chain_destroy+0x23d/0x260
[ 33.099217] Modules linked in:
[ 33.099388] CPU: 5 PID: 69 Comm: kworker/5:1 Not tainted 6.4.0+ #409
[ 33.099726] Workqueue: events nf_tables_trans_destroy_work
[ 33.100018] RIP: 0010:nf_tables_chain_destroy+0x23d/0x260
[ 33.100306] Code: 8b 7c 24 68 e8 64 9c ed fe 4c 89 e7 e8 5c 9c ed fe 48 83 c
OSV
CVE-2023-53492: In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: do not ignore genmask when looking up chain by id When addin
osv·2025-10-01·CVSS 7.8
CVE-2023-53492 [HIGH] CVE-2023-53492: In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: do not ignore genmask when looking up chain by id When addin
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: do not ignore genmask when looking up chain by id When adding a rule to a chain referring to its ID, if that chain had been deleted on the same batch, the rule might end up referring to a deleted chain. This will lead to a WARNING like following: [ 33.098431] ------------[ cut here ]------------ [ 33.098678] WARNING: CPU: 5 PID: 69 at net/netfilter/nf_tables_api.c:2037 nf_tables_chain_destroy+0x23d/0x260 [ 33.099217] Modules linked in: [ 33.099388] CPU: 5 PID: 69 Comm: kworker/5:1 Not tainted 6.4.0+ #409 [ 33.099726] Workqueue: events nf_tables_trans_destroy_work [ 33.100018] RIP: 0010:nf_tables_chain_destroy+0x23d/0x260 [ 33.100306] Code: 8b 7c 24 68 e8 64 9c ed fe 4c 89 e7 e8 5c 9c ed fe 48 83 c4 08
No detection rules found.
No public exploits indexed.
https://git.kernel.org/stable/c/041e2ac88caef286b39064e83e825e3f53113d36https://git.kernel.org/stable/c/4ae2e501331aaa506eaf760339bb2f43e5769395https://git.kernel.org/stable/c/515ad530795c118f012539ed76d02bacfd426d89https://git.kernel.org/stable/c/5e5e967e8505fbdabfb6497367ec1b808cadc356https://git.kernel.org/stable/c/fc95c8b02c6160936f1f3d8d9d7f4f66f3c84b49
2025-10-01
Published