CVE-2024-46796
9.8 · CRITICALOverview
CVE-2024-46796 is a critical-severity vulnerability affecting linux linux_kernel. It was published on September 18, 2024 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
In the Linux kernel, the following vulnerability has been resolved:
smb: client: fix double put of @cfile in smb2_set_path_size()
If smb2_compound_op() is called with a valid @cfile and returned
-EINVAL, we need to call cifs_get_writable_path() before retrying it
as the reference of @cfile was already dropped by previous call.
This fixes the following KASAN splat when running fstests generic/013
against Windows Server 2022:
CIFS: Attempting to mount //w22-fs0/scratch
run fstests generic/013 at 2024-09-02 19:48:59
==================================================================
BUG: KASAN: slab-use-after-free in detach_if_pending+0xab/0x200
Write of size 8 at addr ffff88811f1a3730 by task kworker/3:2/176
CPU: 3 UID: 0 PID: 176 Comm: kworker/3:2 Not tainted 6.11.0-rc6 #2
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-2.fc40
04/01/2014
Workqueue: cifsoplockd cifs_oplock_break [cifs]
Call Trace:
<TASK>
dump_stack_lvl+0x5d/0x80
? detach_i
Remediation
Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| linux | linux_kernel | >= 6.6.32, < 6.6.51 | Affected |
Frequently Asked Questions
What is CVE-2024-46796?
CVE-2024-46796 is a critical-severity vulnerability affecting linux linux_kernel. It was published on September 18, 2024 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
How severe is CVE-2024-46796?
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2024-46796?
Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2024-46796?
CyberStrike's AI-powered security agents can automatically detect CVE-2024-46796 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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