What’s Vulnerable › Vulnerabilities

CVE-2024-25739

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-02-12 · updated 2026-10-15
• Weakness: CWE-754

Description

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.

Affected products

• Linux kernel: through 6.7.4

References

• https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=68a24aba7c593eafa8fd00f2f76407b9b32b47a9
• https://groups.google.com/g/syzkaller/c/Xl97YcQA4hg
• https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html
• https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html
• https://web.git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/drivers/mtd/ubi/vtbl.c?h=v6.6.24&id=d1b505c988b7
• https://www.spinics.net/lists/kernel/msg5074816.html
• https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=68a24aba7c593eafa8fd00f2f76407b9b32b47a9
• https://groups.google.com/g/syzkaller/c/Xl97YcQA4hg
• https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html
• https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html
• https://www.spinics.net/lists/kernel/msg5074816.html
• https://cert-portal.siemens.com/productcert/html/ssa-265688.html

Get alerted when CVE-2024-25739 or the next vulnerability affects your stack