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.
References
| Link | Resource |
|---|---|
| http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html | |
| https://access.redhat.com/security/cve/CVE-2023-42752 | Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=2239828 | Issue Tracking Third Party Advisory |
| https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=915d975b2ffa | Mailing List Patch |
| https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=c3b704d4a4a2 | Mailing List Patch |
Configurations
History
29 Nov 2023, 15:15
| Type | Values Removed | Values Added |
|---|---|---|
| References |
|
18 Oct 2023, 19:51
| Type | Values Removed | Values Added |
|---|---|---|
| CWE | CWE-190 | |
| CPE | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | |
| CVSS |
v2 : v3 : |
v2 : unknown
v3 : 5.5 |
| References | (MISC) https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=915d975b2ffa - Mailing List, Patch | |
| References | (MISC) https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=c3b704d4a4a2 - Mailing List, Patch | |
| References | (MISC) https://access.redhat.com/security/cve/CVE-2023-42752 - Third Party Advisory | |
| References | (MISC) https://bugzilla.redhat.com/show_bug.cgi?id=2239828 - Issue Tracking, Third Party Advisory | |
| First Time |
Linux
Linux linux Kernel |
13 Oct 2023, 02:15
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2023-10-13 02:15
Updated : 2024-02-28 20:33
NVD link : CVE-2023-42752
Mitre link : CVE-2023-42752
CVE.ORG link : CVE-2023-42752
JSON object : View
Products Affected
linux
- linux_kernel
CWE
CWE-190
Integer Overflow or Wraparound