CVE-2023-4569: Kernel: information leak in nft_set_catchall_flush in net/netfilter/nf_tables_api.c
First published: Mon Aug 28 2023(Updated: )
A memory leak flaw was found in nft_set_catchall_flush in net/netfilter/nf_tables_api.c in the Linux Kernel. This issue may allow a local attacker to cause a double-deactivations of catchall elements, which results in a memory leak.
Credit: secalert@redhat.com secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | <6.5 | |
| Linux Linux kernel | =6.5 | |
| Linux Linux kernel | =6.5-rc1 | |
| Linux Linux kernel | =6.5-rc2 | |
| Linux Linux kernel | =6.5-rc3 | |
| Linux Linux kernel | =6.5-rc4 | |
| Linux Linux kernel | =6.5-rc5 | |
| Linux Linux kernel | =6.5-rc6 | |
| Redhat Enterprise Linux | =8.0 | |
| Redhat Enterprise Linux | =9.0 | |
| Debian Debian Linux | =12.0 | |
| redhat/Kernel | <6.5 | 6.5 |
| debian/linux | <=5.10.223-1<=5.10.226-1 | 6.1.115-1 6.1.112-1 6.11.7-1 6.11.9-1 |
Remedy
https://patchwork.ozlabs.org/project/netfilter-devel/patch/20230812110526.49808-1-fw@strlen.de/
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- https://access.redhat.com/security/cve/CVE-2023-4569
- https://bugzilla.redhat.com/show_bug.cgi?id=2235470
- https://patchwork.ozlabs.org/project/netfilter-devel/patch/20230812110526.49808-1-fw@strlen.de/
- https://www.debian.org/security/2023/dsa-5492
- https://launchpad.net/bugs/cve/CVE-2023-4569
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-4569
- https://nvd.nist.gov/vuln/detail/CVE-2023-4569
- https://security-tracker.debian.org/tracker/CVE-2023-4569
- https://ubuntu.com/security/CVE-2023-4569
- https://git.kernel.org/linus/90e5b3462efa37b8bba82d7c4e63683856e188af
- collector/nvd-index
- collector/nvd-api
- agent/weakness
- agent/type
- collector/launchpad-cve
- source/Launchpad
- agent/author
- agent/title
- agent/severity
- collector/nvd-cve
- source/NVD
- agent/software-canonical-lookup
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2023-4569
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- collector/usn-cve
- source/Ubuntu
- agent/remedy
- collector/security-tracker-debian
- source/Debian
- agent/references
- agent/softwarecombine
- agent/tags
- agent/description
- agent/event
- agent/first-publish-date
- vendor/linux
- canonical/linux linux kernel
- version/linux linux kernel/6.5
- version/linux linux kernel/6.5-rc1
- version/linux linux kernel/6.5-rc2
- version/linux linux kernel/6.5-rc3
- version/linux linux kernel/6.5-rc4
- version/linux linux kernel/6.5-rc5
- version/linux linux kernel/6.5-rc6
- vendor/redhat
- canonical/redhat enterprise linux
- version/redhat enterprise linux/8.0
- version/redhat enterprise linux/9.0
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/12.0
- package-manager/redhat
- package-manager/debian