CVE-2023-4004

Kernel: netfilter: use-after-free due to improper element removal in nft_pipapo_remove()

Published Jul 31, 2023 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
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.

Remediation

Vendor Workaround

This flaw can be mitigated by preventing the affected netfilter kernel module from being loaded. For instructions on how to blacklist a kernel module, please see https://access.redhat.com/solutions/41278.

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-3623-1 linux-5.10 security update
Debian DSA Debian DSA DSA-5480-1 linux security update
Debian DSA Debian DSA DSA-5492-1 linux security update
EUVD EUVD EUVD-2023-53899 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.
Ubuntu USN Ubuntu USN USN-6315-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6316-1 Linux kernel (OEM) vulnerabilities
Ubuntu USN Ubuntu USN USN-6318-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6321-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6325-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6328-1 Linux kernel (Oracle) vulnerabilities
Ubuntu USN Ubuntu USN USN-6330-1 Linux kernel (GCP) vulnerabilities
Ubuntu USN Ubuntu USN USN-6332-1 Linux kernel (Azure) vulnerabilities
Ubuntu USN Ubuntu USN USN-6348-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6385-1 Linux kernel (OEM) vulnerabilities
Ubuntu USN Ubuntu USN USN-6442-1 Linux kernel (BlueField) vulnerabilities
References
Link Providers
http://packetstormsecurity.com/files/175072/Kernel-Live-Patch-Security-Notice-LSN-0098-1.html cve-icon
http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html cve-icon
https://access.redhat.com/errata/RHSA-2023:4961 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2023:4962 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2023:4967 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2023:5069 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2023:5091 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2023:5093 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2023:5221 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2023:5244 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2023:5255 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2023:5548 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2023:5627 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2023:7382 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2023:7389 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2023:7411 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2023:7417 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2023:7431 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2023:7434 cve-icon cve-icon
https://access.redhat.com/security/cve/CVE-2023-4004 cve-icon cve-icon
https://bugzilla.redhat.com/show_bug.cgi?id=2225275 cve-icon cve-icon
https://cert-portal.siemens.com/productcert/html/ssa-794697.html cve-icon
https://cert-portal.siemens.com/productcert/html/ssa-831302.html cve-icon
https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2023-4004 cve-icon
https://patchwork.ozlabs.org/project/netfilter-devel/patch/20230719190824.21196-1-fw@strlen.de/ cve-icon cve-icon cve-icon
https://security.netapp.com/advisory/ntap-20231027-0001/ cve-icon
https://www.cve.org/CVERecord?id=CVE-2023-4004 cve-icon
https://www.debian.org/security/2023/dsa-5480 cve-icon
https://www.debian.org/security/2023/dsa-5492 cve-icon
History
Type Values Removed Values Added
First Time appeared Redhat rhel Els
CPEs cpe:/o:redhat:enterprise_linux:6
cpe:/o:redhat:enterprise_linux:7
cpe:/o:redhat:rhel_els:6
cpe:/o:redhat:rhel_els:7
Vendors & Products Redhat rhel Els
Type Values Removed Values Added
Metrics epss

{'score': 0.00015}

epss

{'score': 0.00016}