CVE-2023-42752 — Integer Overflow or Wraparound in Linux

CWE-190 — Integer Overflow or Wraparound44 documents8 sources
Severity
5.5MEDIUMNVD
OSV7.8OSV7.0OSV6.5OSV5.7
EPSS
0.0%
top 97.27%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Linux KernelDebian LinuxMsrc Cbl2 Kernel 5.15.137.1-1 ON CBL Mariner 2.0
Timeline
PublishedOct 13
Latest updateNov 28

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.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages5 packages

▶Debianlinux/linux_kernel< 6.1.55-1+2
▶Ubuntulinux/linux_kernel< 5.4.0-165.182+6
▶debiandebian/linux< linux 6.1.55-1 (bookworm)

Patches

Patch: git.kernel.org ↗Patch: git.kernel.org ↗Patch: git.kernel.org ↗

🔴Vulnerability Details

22
OSV
Kernel Live Patch Security Notice↗2023-11-28
▶
OSV
linux-nvidia-6.2 vulnerabilities↗2023-10-31
▶
OSV
linux vulnerabilities↗2023-10-30
▶
OSV
linux-iot, linux-raspi, linux-raspi-5.4 vulnerabilities↗2023-10-30
▶
OSV
linux-oracle-5.15 vulnerabilities↗2023-10-26
▶

📋Vendor Advisories

20
Ubuntu
Kernel Live Patch Security Notice↗2023-11-28
▶
Ubuntu
Linux kernel (NVIDIA) vulnerabilities↗2023-10-31
▶
Ubuntu
Linux kernel vulnerabilities↗2023-10-30
▶
Ubuntu
Linux kernel vulnerabilities↗2023-10-30
▶
Ubuntu
Linux kernel (Oracle) vulnerabilities↗2023-10-26
▶

💬Community

1
Bugzilla
CVE-2023-42752 kernel: integer overflow in igmpv3_newpack leading to exploitable memory access↗2023-09-20
▶