SARA / Free Tools / CVE / CVE-2022-2991

CVE-2022-2991 — A heap-based buffer overflow was found in the Linux kernel's LightNVM subsystem

A heap-based buffer overflow was found in the Linux kernel's LightNVM subsystem. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. This vulnerability allows a local attacker to es

CVSS
— —
EPSS
0.03% (top 91.10%)
CWE
CWE-122
Published
2022-08-25T17:24:41.000Z
Last modified
2024-08-03T00:53:00.474Z
CVSS vector
—

01What is this vulnerability?

A heap-based buffer overflow was found in the Linux kernel's LightNVM subsystem. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. This vulnerability allows a local attacker to escalate privileges and execute arbitrary code in the context of the kernel. The attacker must first obtain the ability to…

02Affected products

VendorProductVersions
na / kernelFixed in kernel 5.15-rc1

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

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07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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