High severity · published Jan 18, 2022
CVE-2021-29632
In FreeBSD 13.0-STABLE before n247428-9352de39c3dc, 12.2-STABLE before r370674, 13.0-RELEASE before p6, and 12.2-RELEASE before p12, certain conditions involving use of the…
7.5
CVSS
0.9%
EPSS
No
On KEV
Description
In FreeBSD 13.0-STABLE before n247428-9352de39c3dc, 12.2-STABLE before r370674, 13.0-RELEASE before p6, and 12.2-RELEASE before p12, certain conditions involving use of the highlight buffer while text is scrolling on the console, console data may overwrite data structures associated with the system console or other kernel memory.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 58% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FR
Freebsd · Freebsd
12.2; 12.2; 12.2; 12.2; 12.2; 12.2; +24 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-29632
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-29632
Mitigation
https://security.freebsd.org/advisories/FreeBSD-SA-22:01.vt.asc
Third Party Advisory
https://security.netapp.com/advisory/ntap-20220217-0004/
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