Bug 2257683 (CVE-2023-51781) - CVE-2023-51781 kernel: use-after-free in net/appletalk/ddp.c
Summary: CVE-2023-51781 kernel: use-after-free in net/appletalk/ddp.c
Keywords:
Status: NEW
Alias: CVE-2023-51781
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2257685
Blocks: 2257681
TreeView+ depends on / blocked
 
Reported: 2024-01-10 13:13 UTC by Patrick Del Bello
Modified: 2024-05-01 13:30 UTC (History)
47 users (show)

Fixed In Version: kernel 6.6.8
Doc Type: If docs needed, set a value
Doc Text:
A use-after-free flaw was found in the Linux kernel's atalk_ioctl in net/appletalk/ddp.c, due to a race condition in atalk_recvmsg. This flaw allows an attacker to possibly gain unauthorized access, escalate privileges, or cause the system to crash.
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Description Patrick Del Bello 2024-01-10 13:13:15 UTC 
An issue was discovered in the Linux kernel before 6.6.8. atalk_ioctl in net/appletalk/ddp.c has a use-after-free because of an atalk_recvmsg race condition.
Comment 1 Patrick Del Bello 2024-01-10 13:13:43 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2257685]
Comment 3 Justin M. Forbes 2024-01-10 19:45:29 UTC 
For Fedora # CONFIG_DEV_APPLETALK is not set
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