VulnerabilityModified
CVE-2023-4004
A use-after-free flaw was found in the Linux kernel's netfilter in the way a user triggers the nft_pipapo_remove function with the element, without a NFT_SET_EXT_KEY_END.
HIGH 7.8EPSS 0.94%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.94%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A use-after-free flaw was found in the Linux kernel's netfilter in the way a user triggers the nft_pipapo_remove function with the element, without a NFT_SET_EXT_KEY_END. This issue could allow a local user to crash the system or potentially escalate their privileges on the system.
- 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
- 0.94% probability · 59th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- linux/linux kernel · fedoraproject/fedora · redhat/enterprise linux · netapp/h300s · netapp/h410s · netapp/h500s · netapp/h700s · debian/debian linux
- Source
- secalert@redhat.com
References
- https://access.redhat.com/errata/RHSA-2023:4961Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:4962Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:4967Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:5069Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:5091Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:5093Broken Link, Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:5221Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:5244Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:5255Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:5548Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:5627Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:7382Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:7389Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:7411Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2023:7417Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2023:7431Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2023:7434Third Party Advisory, VDB Entry
- https://access.redhat.com/security/cve/CVE-2023-4004Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2225275Issue Tracking, Third Party Advisory
- https://patchwork.ozlabs.org/project/netfilter-devel/patch/20230719190824.21196-1-fw@strlen.de/Mailing List, Patch, Third Party Advisory
- http://packetstormsecurity.com/files/175072/Kernel-Live-Patch-Security-Notice-LSN-0098-1.html
- http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html
- https://access.redhat.com/errata/RHSA-2023:4961Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:4962Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:4967Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:5069Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:5091Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:5093Broken Link, Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:5221Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:5244Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.