FKIE_CVE-2023-42756

Vulnerability from fkie_nvd - Published: 2023-09-28 14:15 - Updated: 2026-06-17 06:24
Severity
4.4 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
4.7 (Medium) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
A flaw was found in the Netfilter subsystem of the Linux kernel. A race condition between IPSET_CMD_ADD and IPSET_CMD_SWAP can lead to a kernel panic due to the invocation of `__ip_set_put` on a wrong `set`. This issue may allow a local user to crash the system.
References
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:2394
secalert@redhat.comhttps://access.redhat.com/security/cve/CVE-2023-42756Patch, Third Party Advisory
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2239848Exploit, Issue Tracking, Patch, Third Party Advisory
secalert@redhat.comhttps://seclists.org/oss-sec/2023/q3/242Exploit, Mailing List, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:2394
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/security/cve/CVE-2023-42756Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=2239848Exploit, Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GISYSL3F6WIEVGHJGLC2MFNTUXHPTKQH/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GPMICQ2HVZO5UAM5KPXHAZKA2U3ZDOO6/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/V5PDNWPKAP3WL5RQZ4RIDS6MG32OHH5R/
af854a3a-2127-422b-91ae-364da2661108https://seclists.org/oss-sec/2023/q3/242Exploit, Mailing List, Patch, Third Party Advisory
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel 6.6
linux linux_kernel 6.6
redhat enterprise_linux 9.0
debian debian_linux 10.0
fedoraproject fedora 37
fedoraproject fedora 38
fedoraproject fedora 39
To clipboard 

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  "lastModified": "2026-06-17T06:24:27.037",
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}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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