Out-of-bounds Read in Linux Kernel
CVE-2021-32078
An Out-of-Bounds Read was discovered in arch/arm/mach-footbridge/personal-pci.c in the Linux kernel through 5.12.11 because of the lack of a check for a value that shouldn't be negative, e.g., access to element -2 of an array, aka CID-298a58e165e4.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H.
EPSS exploit prediction
EPSS: 0.006 (44.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 44.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- kirtikumarar.com/CVE-2021-32078.txt (Exploit, Third Party Advisory)
- github.com/torvalds/linux/commit/298a58e165e447ccfaae35fe9f651f9d7e15166f (Patch, Third Party Advisory)
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/ (Patch, Third Party Advisory)
- security.netapp.com/advisory/ntap-20210813-0002/ (Third Party Advisory)
Frequently asked questions
- What is CVE-2021-32078?
- CVE-2021-32078 is a high-severity vulnerability in Linux Kernel, classified under Out-of-bounds Read. CVSS score: 7.1/10. Published 2021-06-17.
- How severe is CVE-2021-32078?
- High severity. CVSS v3 base score is 7.1 out of 10.
- Is CVE-2021-32078 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.