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Medium 5.3Known exploited (CISA KEV)Published Jan 8, 2024
CVE-2022-2586It was discovered that a nft object or expression could reference a nft set on a different nft table, leading to a use-after-free once that table was deleted.
Updated under an hour ago ()
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It affects The Linux Kernel Organization linux and 5 other products. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Jun 26, 2024; federal agencies had to remediate by Jul 17, 2024. Treat that date as your deadline.
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It was discovered that a nft object or expression could reference a nft set on a different nft table, leading to a use-after-free once that table was deleted.
- CVSS
- 5.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H
- Weakness (CWE)
- CWE-416
- Known exploited
- Added to CISA KEV Jun 26, 2024; federal remediation due Jul 17, 2024Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.
- EPSS (exploitation in the next 30 days)
- 10.20% (percentile 96)
- Assigned by
- canonical
- NVD analysis
- Analyzed
- Record last updated
- Oct 14, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
The Linux Kernel Organization linux linux_kernel_organization:linux (from the name) | from 3.16 before 4.14.316; from 4.15 before 4.19.256; from 4.20 before 5.4.211; from 5.5 before 5.10.137; from 5.11 before 5.15.61; from 5.16 before 5.18.18; from 5.19 before 5.19.2 | CNA record |
linux linux_kernel linux:linux_kernel | before 6.0-rc1 | CISA ADP |
Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem siemens:simatic_s7_1500_tm_mfp_gnu_linux_subsystem (from the name) | before V1.1 | CISA ADP |
siemens simatic_s7-1500_tm_mfp_firmware siemens:simatic_s7-1500_tm_mfp_firmware | before 1.1 | NVD |
siemens sinec_os siemens:sinec_os | before 2.4 | NVD |
linux linux_kernel linux:linux_kernel | from 3.16 before 4.14.316; from 4.15 before 4.19.256; from 4.20 before 5.4.211; from 5.5 before 5.10.137; from 5.11 before 5.15.61; from 5.16 before 5.18.18; from 5.19 before 5.19.2 | NVD |
canonical ubuntu_linux canonical:ubuntu_linux | 14.04; 16.04; 18.04; 20.04; 22.04 | NVD |
References
- https://ubuntu.com/security/notices/USN-5564-1third-party-advisory
- https://ubuntu.com/security/notices/USN-5560-2third-party-advisory
- https://ubuntu.com/security/notices/USN-5582-1third-party-advisory
- https://ubuntu.com/security/notices/USN-5567-1third-party-advisory
- https://ubuntu.com/security/notices/USN-5560-1third-party-advisory
- https://ubuntu.com/security/notices/USN-5566-1third-party-advisory
- https://www.openwall.com/lists/oss-security/2022/08/09/5issue-tracking, mailing-list
- https://ubuntu.com/security/notices/USN-5565-1third-party-advisory
- https://www.zerodayinitiative.com/advisories/ZDI-22-1118/issue-tracking, third-party-advisory, vdb-entry
- https://lore.kernel.org/netfilter-devel/20220809170148.164591-1-cascardo@canonical.com/T/#tissue-tracking, mailing-list, patch
- https://ubuntu.com/security/notices/USN-5562-1third-party-advisory
- https://ubuntu.com/security/notices/USN-5557-1third-party-advisory
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2586issue-tracking, third-party-advisory
- https://www.vicarius.io/vsociety/posts/use-after-free-vulnerability-linked-chain-between-nft-tables-cve-2022-2586exploit, third-party-advisory
- https://cert-portal.siemens.com/productcert/html/ssa-794697.htmlthird-party-advisory
- https://cert-portal.siemens.com/productcert/html/ssa-806742.htmlthird-party-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-2586us-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.