CVE-2026-23278

HIGH
MEDIUM Priority: 0.02 BB Relevance: 41/100
Published: 2026-03-20 Modified: 2026-10-30 First seen: 2026-10-30 Status: active

Attack Surface

Low Complexity No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Local
AC: Low
PR: Low
UI: None
S: Unchanged
C: High
I: High
A: High

Description

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 [..]

Weakness Classification (1)

Affected Software (22)

VendorProductVersion
Linux Linux 25aa2ad37c2162be1c0bc4fe6397f7e4c13f00f8 < ae8f3cedc5f5653a5bed45c5ed016fe156e2af55
Linux Linux d60be2da67d172aecf866302c91ea11533eca4d9 < c4d4e86fda707d89eaba80e343321737375f8582
Linux Linux 628bd3e49cba1c066228e23d71a852c23e26da73 < 4830fb44d12f586f3f544609e086933649a9175a
Linux Linux 628bd3e49cba1c066228e23d71a852c23e26da73 < eb0948fa13298212c5f8b30ee48efdae4389ab09
Linux Linux 628bd3e49cba1c066228e23d71a852c23e26da73 < de47a88c6b807910f05703fb6605f7efdaa11417
Linux Linux 628bd3e49cba1c066228e23d71a852c23e26da73 < 77c26b5056d693ffe5e9f040e946251cdb55ae55
Linux Linux 628bd3e49cba1c066228e23d71a852c23e26da73 < 7cb9a23d7ae40a702577d3d8bacb7026f04ac2a9
Linux Linux bc9f791d2593f17e39f87c6e2b3a36549a3705b1
Linux Linux 3c7ec098e3b588434a8b07ea9b5b36f04cef1f50
Linux Linux a136b7942ad2a50de708f76ea299ccb45ac7a7f9
Linux Linux dc7cdf8cbcbf8b13de1df93f356ec04cdeef5c41
Linux Linux 5.15.121 < 5.15.224
Linux Linux 6.1.36 < 6.1.177
Linux Linux 4.19.316 < 4.20
Linux Linux 5.4.262 < 5.5
Linux Linux 5.10.188 < 5.11
Linux Linux 6.3.10 < 6.4
Linux Linux 6.4
linux linux_kernel 4.19.316 – 4.20
linux linux_kernel 7.0
linux linux_kernel 7.0
linux linux_kernel 7.0

Bug Bounty Relevance

41 / 100
✓ Low complexity
✓ No user interaction

CVSS Score

7.8 / 10.0 v3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploitation Probability

0.22%
Raw Score 0.002200
Percentile 12.6%
Date 2026-10-30

EPSS Trend

2026-10-30
0.00220
2026-10-29
0.00220

Intelligence Sources

mitre ref →
nvd ref →