Vulnerability CVE-2022-0516


Published: 2022-03-10

Description:
A vulnerability was found in kvm_s390_guest_sida_op in the arch/s390/kvm/kvm-s390.c function in KVM for s390 in the Linux kernel. This flaw allows a local attacker with a normal user privilege to obtain unauthorized memory write access. This flaw affects Linux kernel versions prior to 5.17-rc4.

Type:

NVD-CWE-noinfo

CVSS2 => (AV:L/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.6/10
6.4/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Redhat -> Enterprise linux 
Redhat -> Enterprise linux eus 
Redhat -> Enterprise linux for ibm z systems 
Redhat -> Enterprise linux for ibm z systems eus 
Redhat -> Enterprise linux for power little endian 
Redhat -> Enterprise linux for power little endian eus 
Redhat -> Enterprise linux server aus 
Redhat -> Enterprise linux server for power little endian update services for sap solutions 
Redhat -> Enterprise linux server tus 
Redhat -> Enterprise linux server update services for sap solutions 
Linux -> Linux kernel 
Fedoraproject -> Fedora 
Debian -> Debian linux 

 References:
https://bugzilla.redhat.com/show_bug.cgi?id=2050237
https://www.debian.org/security/2022/dsa-5092
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=09a93c1df3eafa43bcdfd7bf837c574911f12f55

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