CVE-2023-6040
An out-of-bounds access vulnerability involving netfilter was reported and fixed as: f1082dd31fe4 (netfilter: nf_tables: Reject tables of unsupported family); While creating a new netfilter table, lack of a safeguard against invalid nf_tables family…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.31%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An out-of-bounds access vulnerability involving netfilter was reported and fixed as: f1082dd31fe4 (netfilter: nf_tables: Reject tables of unsupported family); While creating a new netfilter table, lack of a safeguard against invalid nf_tables family (pf) values within `nf_tables_newtable` function enables an attacker to achieve out-of-bounds access.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.31% probability · 24th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-125
- Affected
- linux/linux kernel · debian/debian linux
- Source
- security@ubuntu.com
References
- http://packetstormsecurity.com/files/177029/Kernel-Live-Patch-Security-Notice-LSN-0100-1.htmlThird Party Advisory, VDB Entry
- http://www.openwall.com/lists/oss-security/2024/01/12/1Mailing List, Patch, Third Party Advisory
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-6040Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2024/06/msg00016.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2024/06/msg00020.htmlMailing List, Third Party Advisory
- https://www.openwall.com/lists/oss-security/2024/01/12/1Mailing List, Third Party Advisory
- http://packetstormsecurity.com/files/177029/Kernel-Live-Patch-Security-Notice-LSN-0100-1.htmlThird Party Advisory, VDB Entry
- http://www.openwall.com/lists/oss-security/2024/01/12/1Mailing List, Patch, Third Party Advisory
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-6040Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2024/06/msg00016.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2024/06/msg00020.htmlMailing List, Third Party Advisory
- https://www.openwall.com/lists/oss-security/2024/01/12/1Mailing List, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.