Buffer overflow in Linux Kernel
CVE-2020-12653
An issue was found in Linux kernel before 5.5.4. The mwifiex_cmd_append_vsie_tlv() function in drivers/net/wireless/marvell/mwifiex/scan.c allows local users to gain privileges or cause a denial of service because of an incorrect memcpy and buffer overflow, aka CID-b70261a288ea.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.005 (39.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 39.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.5.4 (Release Notes, Vendor Advisory)
- github.com/torvalds/linux/commit/b70261a288ea4d2f4ac7cd04be08a9f0f2de4f4d (Patch, Third Party Advisory)
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/ (Patch, Vendor Advisory)
- www.openwall.com/lists/oss-security/2020/05/08/2 (mailing-list, Mailing List, Third Party Advisory)
- security.netapp.com/advisory/ntap-20200608-0001/ (Third Party Advisory)
- lists.debian.org/debian-lts-announce/2020/06/msg00011.html (mailing-list, Mailing List, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2020/06/msg00012.html (mailing-list, Mailing List, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2020/06/msg00013.html (mailing-list, Mailing List, Third Party Advisory)
- www.debian.org/security/2020/dsa-4698 (vendor-advisory, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html (vendor-advisory, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-12653?
- CVE-2020-12653 is a high-severity vulnerability in Linux Kernel, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2020-05-05.
- How severe is CVE-2020-12653?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2020-12653 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.