CVE-2022-48935
published 2024-08-22CVE-2022-48935: In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: unregister flowtable hooks on netns exit Unregister flowtable hooks…
PriorityP420medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
EPSS
0.21%
11.5th percentile
In the Linux kernel, the following vulnerability has been resolved:
netfilter: nf_tables: unregister flowtable hooks on netns exit
Unregister flowtable hooks before they are releases via
nf_tables_flowtable_destroy() otherwise hook core reports UAF.
BUG: KASAN: use-after-free in nf_hook_entries_grow+0x5a7/0x700 net/netfilter/core.c:142 net/netfilter/core.c:142
Read of size 4 at addr ffff8880736f7438 by task syz-executor579/3666
CPU: 0 PID: 3666 Comm: syz-executor579 Not tainted 5.16.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
__dump_stack lib/dump_stack.c:88 [inline] lib/dump_stack.c:106
dump_stack_lvl+0x1dc/0x2d8 lib/dump_stack.c:106 lib/dump_stack.c:106
print_address_description+0x65/0x380 mm/kasan/report.c:247 mm/kasan/report.c:247
__kasan_report mm/kasan/report.c:433 [inline]
__kasan_report mm/kasan/report.c:433 [inline] mm/kasan/report.c:450
kasan_report+0x19a/0x1f0 mm/kasan/report.c:450 mm/kasan/report.c:450
nf_hook_entries_grow+0x5a7/0x700 net/netfilter/core.c:142 net/netfilter/core.c:142
__nf_register_net_hook+0x27e/0x8d0 net/netfilter/core.c:429 net/netfilter/core.c:429
nf_register_net_hook+0xaa/0x180 net/netfilter/core.c:571 net/netfilter/core.c:571
nft_register_flowtable_net_hooks+0x3c5/0x730 net/netfilter/nf_tables_api.c:7232 net/netfilter/nf_tables_api.c:7232
nf_tables_newflowtable+0x2022/0x2cf0 net/netfilter/nf_tables_api.c:7430 net/netfilter/nf_tables_api.c:7430
nfnetlink_rcv_batch net/netfilter/nfnetlink.c:513 [inline]
nfnetlink_rcv_skb_batch net/netfilter/nfnetlink.c:634 [inline]
nfnetlink_rcv_batch net/netfilter/nfnetlink.c:513 [inline] net/netfilter/nfnetlink.c:652
nfnetlink_rcv_skb_batch net/netfilter/nfnetlink.c:634 [inline] net/netfilter/nfnetlink.c:652
nfnetlink_rcv+0x10e6/0x2550 net/netfilter/nfnetlink.c:652 net/netfilter/nfnetlink.c:652
__nft_release_hook() calls nft_unregister_flowtable_net_hooks() which
only unregist
Affected
15 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | linux | < linux 5.16.12-1 (bookworm) | linux 5.16.12-1 (bookworm) |
| linux | linux | — | — |
| linux | linux | >= ff4bf2f42a40e7dff28379f085b64df322c70b45 < e51f30826bc5384801df98d76109c94953d1df64 | e51f30826bc5384801df98d76109c94953d1df64 |
| linux | linux | >= ff4bf2f42a40e7dff28379f085b64df322c70b45 < 8ffb8ac3448845f65634889b051bd65e4dee484b | 8ffb8ac3448845f65634889b051bd65e4dee484b |
| linux | linux | >= ff4bf2f42a40e7dff28379f085b64df322c70b45 < b4fcc081e527aa2ce12e956912fc47e251f6bd27 | b4fcc081e527aa2ce12e956912fc47e251f6bd27 |
| linux | linux | >= ff4bf2f42a40e7dff28379f085b64df322c70b45 < 6069da443bf65f513bb507bb21e2f87cfb1ad0b6 | 6069da443bf65f513bb507bb21e2f87cfb1ad0b6 |
| linux | linux_kernel | < 4.19.316 | 4.19.316 |
| linux | linux_kernel | >= 0 < 5.10.205-1 | 5.10.205-1 |
| linux | linux_kernel | >= 0 < 5.16.12-1 | 5.16.12-1 |
| linux | linux_kernel | >= 0 < 5.16.12-1 | 5.16.12-1 |
| linux | linux_kernel | >= 0 < 5.16.12-1 | 5.16.12-1 |
| linux | linux_kernel | >= 4.20 < 5.4.262 | 5.4.262 |
| linux | linux_kernel | >= 5.11 < 5.15.26 | 5.15.26 |
| linux | linux_kernel | >= 5.16 < 5.16.12 | 5.16.12 |
| linux | linux_kernel | >= 5.5 < 5.10.198 | 5.10.198 |
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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CISA ICS
Siemens SINEC OS
cisa_ics·2025-08-14
Siemens SINEC OS
ICS Advisory
##
Siemens SINEC OS
Release DateAugust 14, 2025
Alert CodeICSA-25-226-15
Related topics:
Industrial Control System Vulnerabilities, Industrial Control Systems
As of January 10, 2023, CISA will no longer be updating ICS security advisories for Siemens product vulnerabilities beyond the initial advisory. For the most up-to-date information on vulnerabilities in this advisory, please see Siemens' ProductCERT Security Advisories (CERT Services | Services | Siemens Global).
View CSAF
## 1. EXECUTIVE SUMMARY
- CVSS v3.1 9.1
- ATTENTION: Exploitable remotely/low attack complexity
- Vendor: Siemens
- Equipment: RUGGEDCOM, SCALANCE
- Vulnerabilities: NULL Pointer Dereference, Use After Free, Unchecked Input for Loop Condition, Out-of-bounds Write, Ou
Red Hat
kernel: netfilter: nf_tables: unregister flowtable hooks on netns exit
vendor_redhat·2024-08-22·CVSS 5.5
CVE-2022-48935 [MEDIUM] CWE-416 kernel: netfilter: nf_tables: unregister flowtable hooks on netns exit
kernel: netfilter: nf_tables: unregister flowtable hooks on netns exit
In the Linux kernel, the following vulnerability has been resolved:
netfilter: nf_tables: unregister flowtable hooks on netns exit
Unregister flowtable hooks before they are releases via
nf_tables_flowtable_destroy() otherwise hook core reports UAF.
BUG: KASAN: use-after-free in nf_hook_entries_grow+0x5a7/0x700 net/netfilter/core.c:142 net/netfilter/core.c:142
Read of size 4 at addr ffff8880736f7438 by task syz-executor579/3666
CPU: 0 PID: 3666 Comm: syz-executor579 Not tainted 5.16.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
__dump_stack lib/dump_stack.c:88 [inline] lib/dump_stack.c:106
dump_stack_lv
Debian
CVE-2022-48935: linux - In the Linux kernel, the following vulnerability has been resolved: netfilter: ...
vendor_debian·2022·CVSS 5.5
CVE-2022-48935 [MEDIUM] CVE-2022-48935: 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: unregister flowtable hooks on netns exit Unregister flowtable hooks before they are releases via nf_tables_flowtable_destroy() otherwise hook core reports UAF. BUG: KASAN: use-after-free in nf_hook_entries_grow+0x5a7/0x700 net/netfilter/core.c:142 net/netfilter/core.c:142 Read of size 4 at addr ffff8880736f7438 by task syz-executor579/3666 CPU: 0 PID: 3666 Comm: syz-executor579 Not tainted 5.16.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] __dump_stack lib/dump_stack.c:88 [inline] lib/dump_stack.c:106 dump_stack_lvl+0x1dc/0x2d8 lib/dump_stack.c:106 lib/dump_stack.c:106 print_address_des
OSV
CVE-2022-48935: In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: unregister flowtable hooks on netns exit Unregister flowtabl
osv·2024-08-22·CVSS 5.5
CVE-2022-48935 [MEDIUM] CVE-2022-48935: In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: unregister flowtable hooks on netns exit Unregister flowtabl
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: unregister flowtable hooks on netns exit Unregister flowtable hooks before they are releases via nf_tables_flowtable_destroy() otherwise hook core reports UAF. BUG: KASAN: use-after-free in nf_hook_entries_grow+0x5a7/0x700 net/netfilter/core.c:142 net/netfilter/core.c:142 Read of size 4 at addr ffff8880736f7438 by task syz-executor579/3666 CPU: 0 PID: 3666 Comm: syz-executor579 Not tainted 5.16.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] __dump_stack lib/dump_stack.c:88 [inline] lib/dump_stack.c:106 dump_stack_lvl+0x1dc/0x2d8 lib/dump_stack.c:106 lib/dump_stack.c:106 print_address_des
GHSA
GHSA-4qph-c4vr-m25p: In the Linux kernel, the following vulnerability has been resolved:
netfilter: nf_tables: unregister flowtable hooks on netns exit
Unregister flowta
ghsa_unreviewed·2024-08-22
CVE-2022-48935 [MEDIUM] CWE-416 GHSA-4qph-c4vr-m25p: In the Linux kernel, the following vulnerability has been resolved:
netfilter: nf_tables: unregister flowtable hooks on netns exit
Unregister flowta
In the Linux kernel, the following vulnerability has been resolved:
netfilter: nf_tables: unregister flowtable hooks on netns exit
Unregister flowtable hooks before they are releases via
nf_tables_flowtable_destroy() otherwise hook core reports UAF.
BUG: KASAN: use-after-free in nf_hook_entries_grow+0x5a7/0x700 net/netfilter/core.c:142 net/netfilter/core.c:142
Read of size 4 at addr ffff8880736f7438 by task syz-executor579/3666
CPU: 0 PID: 3666 Comm: syz-executor579 Not tainted 5.16.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
__dump_stack lib/dump_stack.c:88 [inline] lib/dump_stack.c:106
dump_stack_lvl+0x1dc/0x2d8 lib/dump_stack.c:106 lib/dump_stack.c:106
print_addres
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2024-08-22
Published