High severity · published Feb 18, 2019
CVE-2019-8912
In the Linux kernel through 4.20.11, af_alg_release() in crypto/af_alg.c neglects to set a NULL value for a certain structure member, which leads to a use-after-free in…
7.8
CVSS
0.6%
EPSS
No
On KEV
Description
In the Linux kernel through 4.20.11, af_alg_release() in crypto/af_alg.c neglects to set a NULL value for a certain structure member, which leads to a use-after-free in sockfs_setattr.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 51% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Linux
4.10 before 4.14.103; 4.19 before 4.19.25; 4.20 before 4.20.12; 5.0; 5.0; 5.0; +5 more · source: NVD
EL
Enterprise Linux · Redhat
7.0 · source: NVD
LE
Leap · Opensuse
15.0 · source: NVD
UL
Ubuntu Linux · Canonical
14.04; 16.04; 18.04; 18.10 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-8912
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-8912
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00052.html
Patch
http://patchwork.ozlabs.org/patch/1042902/
Third Party Advisory
http://www.securityfocus.com/bid/107063
Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0174
Third Party Advisory
https://usn.ubuntu.com/3930-1/
Third Party Advisory
https://usn.ubuntu.com/3930-2/
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