Zero-Byte Allocation Vulnerability in Linux Kernel Could Lead to Crash
CVE-2024-25739

5.5MEDIUM

Key Information:

Vendor

Linux
Status
Linux Kernel
Vendor
CVE Published:
12 February 2024

What is CVE-2024-25739?

create_empty_lvol in drivers/mtd/ubi/vtbl.c in the Linux kernel through 6.7.4 can attempt to allocate zero bytes, and crash, because of a missing check for ubi->leb_size.

References

https://www.spinics.net/lists/kernel/msg5074816.html
https://groups.google.com/g/syzkaller/c/Xl97YcQA4hg
https://git.kernel.org/cgit/linux/kernel/git/torvalds/lin...

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

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