CVE-2026-46324: linux Race Condition
CVSS: 7.8v3.1HighModified
AliasesUBUNTU-CVE-2026-46324DEBIAN-CVE-2026-46324CGA-2h9m-r8g8-phcjCGA-7gxm-gwqx-ppx6CGA-8w39-24h8-5x5jCGA-9mmm-8qfw-pxrqCGA-fm7r-cx8w-3jr4
Published 09-06-2026Last modified 21-10-2026
Vulnerability summary
CVE-2026-46324 is a high (CVSS 7.8) Race Condition vulnerability in linux. EPSS estimates a 0.10% chance of exploitation in the next 30 days, higher than 0.5% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (CVE.org)EPSS score
0.10%
0%100%
Low · -0.02 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 26 · Related 26OPENSUSE-SU-2026:11014-1OPENSUSE-SU-2026:21555-1SUSE-SU-2026:23066-1SUSE-SU-2026:23068-1SUSE-SU-2026:23193-1SUSE-SU-2026:23194-1SUSE-SU-2026:23221-1SUSE-SU-2026:23231-1SUSE-SU-2026:23237-1SUSE-SU-2026:23241-1SUSE-SU-2026:23244-1SUSE-SU-2026:3602-1SUSE-SU-2026:3790-1SUSE-SU-2026:3810-1USN-8566-1USN-8568-1USN-8569-1USN-8593-1USN-8603-1USN-8618-1USN-8663-1USN-8664-1USN-8728-1USN-8728-2USN-8728-3USN-8781-1
Timeline
- 09-06-2026PublishedVulnerability first disclosed.
- 21-10-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: use list_del_rcu for netlink hooks nft_netdev_unregister_hooks and __nft_unregister_flowtable_net_hooks need to use list_del_rcu(), this list can be walked by concurrent dumpers. Add a new helper and use it consistently.
CVSS metrics
6 scores · 5 sources · 2 versionsMedium 5.7Preferred score · OSV · Ubuntu (Ecosystem advisory) · calculated from vector
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:NSourcesSingle source
High 7.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesAll 5 agree
- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · ChainguardEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.10%
Chance of exploitation in the next 30 days
Percentile
1%
Versus all other CVEs
30-day change
-0.02 pp
From 0.12% on 21-09-2026
21-09-202621-10-2026
EPSS score0.10%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu164 products
- linuxAll versions (No fix recorded) | < 7.0.0-28.28
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 7.0.0-1009.9
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Chainguard5 products
- linux-aws-6.12All versions (No fix recorded)
- linux-azure-6.12All versions (No fix recorded)
- linux-gcp-6.12All versions (No fix recorded)
- linux-qemu-6.12All versions (No fix recorded)
- linux-vmware-6.12All versions (No fix recorded)
Linux2 products
- linux≥ f9a43007d3f7ba76d5e7f9421094f00f2ef202f8, < 2405730fde96f7fa483a5862e323b681e0e09f54 | ≥ f9a43007d3f7ba76d5e7f9421094f00f2ef202f8, < fe45e203527af8a2c0dc4c8a7b56c09c74b796c8 | ≥ f9a43007d3f7ba76d5e7f9421094f00f2ef202f8, < 0bd93ce4f3c35e845532184331d7917d7e562c80 | ≥ f9a43007d3f7ba76d5e7f9421094f00f2ef202f8, < 0f33e8ad6ac563ae2233dd7f75884e0ee010521d | ≥ f9a43007d3f7ba76d5e7f9421094f00f2ef202f8, < f3224ee463f8f6f6ced7dcdf6081add4f8128527 | c73955a09408e7374d9abfd0e78ce3de9cda0635 | b09e6ccf0d12f9356e8e3508d3e3dce126298538 | 3fac8ce48fa9fd61ee9056d3ed48b2edefca8b82 | 9c413a8c8bb49cc16796371805ecb260e885bb2b | a3940dcf552f2393d1e8f263b386593f98abe829 | 86c0154f4c3a56c5db8b9dd09e3ce885382c2c19 | ≥ 4.19.316, < 4.20 | ≥ 5.4.262, < 5.5 | ≥ 5.10.198, < 5.11 | ≥ 5.15.45, < 5.16 | ≥ 5.17.13, < 5.18 | ≥ 5.18.2, < 5.19 | 5.19
- linux_kernel≥ 4.19.316, < 4.20 | ≥ 5.4.262, < 5.5 | ≥ 5.10.198, < 5.11 | ≥ 5.15.45, < 5.16 | ≥ 5.17.13, < 5.18 | ≥ 5.18.2, < 6.18.33 | ≥ 6.19, < 7.0.10 | 7.1:rc1
Debian1 product
- linuxAll versions (No fix recorded) | < 7.0.10-1
4 vendors · 172 products