CVE-2026-23278
High · 7.8CVSS
7.8
EPSS
0.2%
Published
Mar 20, 2026
CISA due date
—
The record
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: always walk all pending catchall elements During transaction processing we might have more than one catchall element: 1 live catchall element and 1 pending element that is coming as part of the new batch. If the map holding the catchall elements is also going away, its required to toggle all catchall elements and not just the first viable candidate. Otherwise, we get: WARNING: ./include/net/netfilter/nf_tables.h:1281 at nft_data_release+0xb7/0xe0 [nf_tables], CPU#2: nft/1404 RIP: 0010:nft_data_release+0xb7/0xe0 [nf_tables] [..] __nft_set_elem_destroy+0x106/0x380 [nf_tables] nf_tables_abort_release+0x348/0x8d0 [nf_tables] nf_tables_abort+0xcf2/0x3ac0 [nf_tables] nfnetlink_rcv_batch+0x9c9/0x20e0 [..]
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| openSUSE:Leap 16.0 | dtb-aarch64 | 0 | 6.12.0-160000.28.1 |
| openSUSE:Leap 16.0 | kernel-64kb | 0 | 6.12.0-160000.28.1 |
| openSUSE:Leap 16.0 | kernel-azure | 0 | 6.12.0-160000.28.1 |
| openSUSE:Leap 16.0 | kernel-default | 0 | 6.12.0-160000.28.1 |
| openSUSE:Leap 16.0 | kernel-default-base | 0 | 6.12.0-160000.27.1.160000.2.8 |
| openSUSE:Leap 16.0 | kernel-docs | 0 | 6.12.0-160000.28.1 |
| openSUSE:Leap 16.0 | kernel-kvmsmall | 0 | 6.12.0-160000.28.1 |
| openSUSE:Leap 16.0 | kernel-obs-build | 0 | 6.12.0-160000.28.1 |
| openSUSE:Leap 16.0 | kernel-obs-qa | 0 | 6.12.0-160000.28.1 |
| openSUSE:Leap 16.0 | kernel-rt | 0 | 6.12.0-160000.28.1 |
| openSUSE:Leap 16.0 | kernel-source | 0 | 6.12.0-160000.28.1 |
| openSUSE:Leap 16.0 | kernel-syms | 0 | 6.12.0-160000.28.1 |
| openSUSE:Leap 16.0 | kernel-zfcpdump | 0 | 6.12.0-160000.28.1 |
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