Bug 2239828 (CVE-2023-42752) - CVE-2023-42752 kernel: integer overflow in igmpv3_newpack leading to exploitable memory access
Summary: CVE-2023-42752 kernel: integer overflow in igmpv3_newpack leading to exploita...
Keywords:
Status: NEW
Alias: CVE-2023-42752
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks: 2239826
TreeView+ depends on / blocked
 
Reported: 2023-09-20 11:58 UTC by Rohit Keshri
Modified: 2024-10-12 08:28 UTC (History)
39 users (show)

Fixed In Version: Kernel 6.6-rc1
Clone Of:
Environment:
Last Closed:
Embargoed:

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Description Rohit Keshri 2023-09-20 11:58:19 UTC 
Integer overflow in the Linux kernel, which 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.

Refer:
https://seclists.org/oss-sec/2023/q3/192
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