Medium severity5.5NVD Advisory· Published Oct 13, 2023· Updated Jun 17, 2026

CVE-2023-42752

Description

An integer overflow flaw was found in the Linux kernel. This issue leads to the kernel allocating skb_shared_info in the userspace, which is exploitable in systems without SMAP protection since skb_shared_info contains references to function pointers.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Fedorahosted/Fedoracpe-rescue
Red Hat/Enterprise Linux Servercpe-rescue4 versions
cpe:/o:redhat:enterprise_linux:7+ 3 more
- cpe:/o:redhat:enterprise_linux:7
- cpe:/o:redhat:enterprise_linux:8
- cpe:/o:redhat:enterprise_linux:9
- cpe:/o:redhat:enterprise_linux:6
Linux/Kernelllm-fuzzy2 versions
(expand)+ 1 more
- (no CPE)
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: <=6.5.7
osv-coords62 versions
pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP7 pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP7 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Micro%206.0 pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Micro%206.0 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Micro%206.0 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP6-LTSS pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP6-LTSS pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP6 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP6 pkg:rpm/opensuse/kernel-64kb&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-default&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-default-base&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-kvmsmall&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-obs-build&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-zfcpdump&distro=openSUSE%20Leap%2015.6 pkg:rpm/suse/kernel-kvmsmall&distro=SUSE%20Linux%20Micro%206.0 pkg:rpm/suse/kernel-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP7 pkg:rpm/suse/kernel-livepatch-SLE15-SP7-RT_Update_8&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP7 pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP7 pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP7 pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP7 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2015%20SP7 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP7 pkg:rpm/suse/kernel-livepatch-SLE15-SP7_Update_8&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP7 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP7 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP7 pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7 pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7 pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP7 pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP7 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP7 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP7 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Micro%206.1 pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Micro%206.1 pkg:rpm/suse/kernel-kvmsmall&distro=SUSE%20Linux%20Micro%206.1 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Micro%206.1 pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Micro%206.0 pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Micro%206.0 pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Micro%206.1 pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Micro%206.1 pkg:rpm/suse/kernel-livepatch-SLE15-SP6_Update_19&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP6 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP6 pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP6-LTSS pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP6-LTSS pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP6-LTSS pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP6 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP6 pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP6 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP6 pkg:rpm/opensuse/kernel-debug&distro=openSUSE%20Leap%2015.6 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP6 pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP6-LTSS pkg:rpm/opensuse/kernel-obs-qa&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-syms&distro=openSUSE%20Leap%2015.6 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP6-LTSS pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP6-LTSS pkg:rpm/opensuse/dtb-aarch64&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/kernel-docs&distro=openSUSE%20Leap%2015.6
< 6.4.0-150700.7.28.1+ 61 more
- (no CPE)range: < 6.4.0-150700.7.28.1
- (no CPE)range: < 6.4.0-150700.7.28.1
- (no CPE)range: < 6.4.0-39.1
- (no CPE)range: < 6.4.0-39.1.21.16
- (no CPE)range: < 6.4.0-39.1
- (no CPE)range: < 6.4.0-150600.23.84.1
- (no CPE)range: < 6.4.0-150600.23.84.1
- (no CPE)range: < 6.4.0-150600.23.84.1.150600.12.38.1
- (no CPE)range: < 6.4.0-150600.23.84.1
- (no CPE)range: < 6.4.0-150600.23.84.1
- (no CPE)range: < 6.4.0-150600.23.84.1
- (no CPE)range: < 6.4.0-150600.23.84.1.150600.12.38.1
- (no CPE)range: < 6.4.0-150600.23.84.1
- (no CPE)range: < 6.4.0-150600.23.84.1
- (no CPE)range: < 6.4.0-150600.23.84.1
- (no CPE)range: < 6.4.0-150600.23.84.1
- (no CPE)range: < 6.4.0-39.1
- (no CPE)range: < 6.4.0-150700.7.28.1
- (no CPE)range: < 1-150700.1.3.1
- (no CPE)range: < 6.4.0-150700.20.24.1
- (no CPE)range: < 6.4.0-150700.20.24.1
- (no CPE)range: < 6.4.0-150700.20.24.1
- (no CPE)range: < 6.4.0-150700.53.28.1
- (no CPE)range: < 6.4.0-150700.53.28.1
- (no CPE)range: < 1-150700.15.3.1
- (no CPE)range: < 6.4.0-150700.53.28.1
- (no CPE)range: < 6.4.0-150700.53.28.1
- (no CPE)range: < 6.4.0-150700.53.28.1
- (no CPE)range: < 6.4.0-150700.53.28.1
- (no CPE)range: < 6.4.0-150700.53.28.1.150700.17.19.1
- (no CPE)range: < 6.4.0-150700.53.28.1
- (no CPE)range: < 6.4.0-150700.53.28.1
- (no CPE)range: < 6.4.0-150700.53.28.1
- (no CPE)range: < 6.4.0-150700.53.28.1
- (no CPE)range: < 6.4.0-150700.53.28.1
- (no CPE)range: < 6.4.0-150700.53.28.1
- (no CPE)range: < 6.4.0-39.1
- (no CPE)range: < 6.4.0-39.1.21.16
- (no CPE)range: < 6.4.0-39.1
- (no CPE)range: < 6.4.0-39.1
- (no CPE)range: < 6.4.0-40.1
- (no CPE)range: < 6.4.0-40.1
- (no CPE)range: < 6.4.0-40.1
- (no CPE)range: < 6.4.0-40.1
- (no CPE)range: < 1-150600.13.3.1
- (no CPE)range: < 6.4.0-150600.23.84.1
- (no CPE)range: < 6.4.0-150600.23.84.1
- (no CPE)range: < 6.4.0-150600.23.84.1
- (no CPE)range: < 6.4.0-150600.23.84.1
- (no CPE)range: < 6.4.0-150600.23.84.1
- (no CPE)range: < 6.4.0-150600.23.84.1
- (no CPE)range: < 6.4.0-150600.23.84.1
- (no CPE)range: < 6.4.0-150600.23.84.1
- (no CPE)range: < 6.4.0-150600.23.84.1
- (no CPE)range: < 6.4.0-150600.23.84.1
- (no CPE)range: < 6.4.0-150600.23.84.1
- (no CPE)range: < 6.4.0-150600.23.84.1
- (no CPE)range: < 6.4.0-150600.23.84.1
- (no CPE)range: < 6.4.0-150600.23.84.1
- (no CPE)range: < 6.4.0-150600.23.84.1.150600.12.38.1
- (no CPE)range: < 6.4.0-150600.23.84.1
- (no CPE)range: < 6.4.0-150600.23.84.1

Patches

Vulnerability mechanics

References

git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/nvdMailing ListPatch
git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/nvdMailing ListPatch
access.redhat.com/security/cve/CVE-2023-42752nvdThird Party Advisory
bugzilla.redhat.com/show_bug.cginvdIssue TrackingThird Party Advisory
packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.htmlnvd

News mentions

No linked articles in our index yet.

cvss	0.358
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000