CVE-2023-38432
First published: Tue Jul 18 2023(Updated: )
An issue was discovered in the Linux kernel before 6.3.10. fs/smb/server/smb2misc.c in ksmbd does not validate the relationship between the command payload size and the RFC1002 length specification, leading to an out-of-bounds read.
Credit: cve@mitre.org cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | <6.3.10 | |
| Linux Kernel | >=5.15<5.15.121 | |
| Linux Kernel | >=5.16<6.1.36 | |
| Linux Kernel | >=6.2<6.3.10 | |
| NetApp SolidFire & HCI Storage Node | ||
| NetApp SolidFire & HCI Storage Node | ||
| NetApp H300S Firmware | ||
| NetApp H410S Firmware | ||
| NetApp H500e Firmware | ||
| NetApp H700S | ||
| debian/linux | 5.10.223-1 5.10.234-1 6.1.129-1 6.1.135-1 6.12.22-1 6.12.25-1 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/fs/smb/server?id=2b9b8f3b68edb3d67d79962f02e26dbb5ae3808d
- https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.10
- https://security.netapp.com/advisory/ntap-20230831-0002/
- https://launchpad.net/bugs/cve/CVE-2023-38432
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-38432
- https://nvd.nist.gov/vuln/detail/CVE-2023-38432
- https://security-tracker.debian.org/tracker/CVE-2023-38432
- https://ubuntu.com/security/CVE-2023-38432
- https://git.kernel.org/linus/2b9b8f3b68edb3d67d79962f02e26dbb5ae3808d
Frequently Asked Questions
What is the severity of CVE-2023-38432?
CVE-2023-38432 is classified as a medium severity vulnerability due to its potential to lead to out-of-bounds reads in the Linux kernel.
How do I fix CVE-2023-38432?
To address CVE-2023-38432, upgrade to Linux kernel versions 6.3.10 or later, or apply available patches from your distribution.
What systems are affected by CVE-2023-38432?
CVE-2023-38432 affects Linux kernel versions before 6.3.10, including specific versions in the 5.15 and 5.16 series, as well as several NetApp appliances.
Is my Linux kernel version safe from CVE-2023-38432?
If your Linux kernel version is 6.3.10 or above, you are not vulnerable to CVE-2023-38432.
What type of vulnerability is CVE-2023-38432?
CVE-2023-38432 is a memory corruption issue resulting from improper validation of command payload sizes in the SMB protocol implementation.
- collector/nvd-latest
- agent/type
- collector/launchpad-cve
- source/Launchpad
- agent/severity
- agent/author
- agent/weakness
- agent/first-publish-date
- agent/remedy
- agent/last-modified-date
- agent/references
- agent/trending
- agent/source
- collector/usn-cve
- source/Ubuntu
- agent/description
- collector/nvd-index
- agent/software-canonical-lookup-request
- agent/event
- collector/nvd-cve
- source/NVD
- agent/software-canonical-lookup
- collector/nvd-api
- agent/softwarecombine
- agent/tags
- collector/security-tracker-debian
- source/Debian
- vendor/linux
- canonical/linux kernel
- version/linux kernel/5.15
- version/linux kernel/5.16
- version/linux kernel/6.2
- vendor/netapp
- canonical/netapp solidfire & hci storage node
- canonical/netapp h300s firmware
- canonical/netapp h410s firmware
- canonical/netapp h500e firmware
- canonical/netapp h700s
- package-manager/debian