5.5

CVE-2023-42754

Exploit

Kernel: ipv4: null pointer dereference in ipv4_send_dest_unreach()

A NULL pointer dereference flaw was found in the Linux kernel ipv4 stack. The socket buffer (skb) was assumed to be associated with a device before calling __ip_options_compile, which is not always the case if the skb is re-routed by ipvs. This issue may allow a local user with CAP_NET_ADMIN privileges to crash the system.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version < 6.6
Linux ≫ Linux Kernel Version6.6 Updaterc1
Linux ≫ Linux Kernel Version6.6 Updaterc2
Redhat ≫ Enterprise Linux Version8.0
Redhat ≫ Enterprise Linux Version9.0
Fedoraproject ≫ Fedora Version37
Fedoraproject ≫ Fedora Version38
Fedoraproject ≫ Fedora Version39
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.41% 0.326
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
secalert@redhat.com 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html
https://access.redhat.com/errata/RHSA-2024:2394
https://access.redhat.com/errata/RHSA-2024:2950
https://access.redhat.com/errata/RHSA-2024:3138
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GISYSL3F6WIEVGHJGLC2MFNTUXHPTKQH/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GPMICQ2HVZO5UAM5KPXHAZKA2U3ZDOO6/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/V5PDNWPKAP3WL5RQZ4RIDS6MG32OHH5R/
https://access.redhat.com/security/cve/CVE-2023-42754
Patch
Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2239845
Patch
Third Party Advisory
Issue Tracking
https://seclists.org/oss-sec/2023/q4/14
Patch
Third Party Advisory
Exploit
Mailing List