CVE-2021-22600
Double Free in net/packet/af_packet.c leading to priviledge escalation
Description
A double free bug in packet_set_ring() in net/packet/af_packet.c can be exploited by a local user through crafted syscalls to escalate privileges or deny service. We recommend upgrading kernel past the effected versions or rebuilding past ec6af094ea28f0f2dda1a6a33b14cd57e36a9755
No summary for this CVE yet.
CVSS Vector Breakdown
Exploitability
AV:LAttack VectorLocal
AC:HAttack ComplexityHigh
PR:LPrivileges RequiredLow
UI:RUser InteractionRequired
Scope
S:CScopeChanged
Impact
C:LConfidentialityLow
I:LIntegrityLow
A:HAvailabilityHigh
Weaknesses
Affected Products
netapp
commercial·US
Сообщество свободного программного обеспечения
oss-projectaka fsf
Canonical Ltd.
commercial·GBaka canonical
ООО «РусБИТех-Астра»
commercial·RUaka rusbitech-astra
АО «НППКТ»
commercial·RU
ООО "Открытая мобильная платформа"
commercial·RU
and 4 more affected products View all →
Exploitability
CISA Known Exploited Vulnerability
Added to KEV:Apr 11, 2022
Remediation due:May 2, 2022
Required action: Apply updates per vendor instructions.
Official Patch Available
Attack Graph
Products CVE Techniques Tactics
Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.
MITRE ATT&CK
1 technique Privilege Escalation
References
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-22600
cve.mitre.org
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=ec6af094ea28f0f2dda1a6a33b14cd57e36a9755
git.kernel.org
https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.259
kernel.org
and 29 more references View all →
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