Vulnerability · Published May 5, 2020 · Assigned by mitre
CVE-2020-12653
High 7.8
In plain English
A high-severity security flaw in the linux package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 39% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.8High
Exploit odds (30 days)0.5%top 60.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | linux | 5.5.13-1 | DEBIAN-CVE-2020-12653 |
| Debian:13 | linux | 5.5.13-1 | DEBIAN-CVE-2020-12653 |
| Debian:14 | linux | 5.5.13-1 | DEBIAN-CVE-2020-12653 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | no fix listed | UBUNTU-CVE-2020-12653 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2020-12653 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2020-12653 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2020-12653 |
Affected products (as reported)
References
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.5.4 x_refsource_MISC
- https://github.com/torvalds/linux/commit/b70261a288ea4d2f4ac7cd04be08a9f0f2de4f4d x_refsource_MISC
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b70261a288ea4d2f4ac7cd04be08a9f0f2de4f4d x_refsource_MISC
- [oss-security] 20200508 Linux kernel: two buffer overflow in the marvell wifi driver mailing-list, x_refsource_MLIST
- https://security.netapp.com/advisory/ntap-20200608-0001/ x_refsource_CONFIRM
- [debian-lts-announce] 20200609 [SECURITY] [DLA 2241-1] linux security update mailing-list, x_refsource_MLIST
- [debian-lts-announce] 20200610 [SECURITY] [DLA 2242-1] linux-4.9 security update mailing-list, x_refsource_MLIST
- [debian-lts-announce] 20200610 [SECURITY] [DLA 2241-2] linux security update mailing-list, x_refsource_MLIST
- DSA-4698 vendor-advisory, x_refsource_DEBIAN
- openSUSE-SU-2020:0801 vendor-advisory, x_refsource_SUSE