CVE-2021-29646

Description

An issue was discovered in the Linux kernel before 5.11.11. tipc_nl_retrieve_key in net/tipc/node.c does not properly validate certain data sizes, aka CID-0217ed2848e8.

Related CPE's

o linux linux_kernel ********

o fedoraproject fedora 32 *******

o fedoraproject fedora 33 *******

o fedoraproject fedora 34 *******

References

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0217ed2848e8538bcf9172d97ed2eeb4a26041bb

Mailing ListPatchVendor Advisory

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.11

Mailing ListRelease NotesVendor Advisory

FEDORA-2021-41fb54ae9f

Mailing ListThird Party Advisory

FEDORA-2021-6b0f287b8b

Mailing ListThird Party Advisory

FEDORA-2021-2306e89112

Mailing ListThird Party Advisory

CvssV3 impact

BaseSeverity	MEDIUM
ConfidentialityImpact	NONE
AttackComplexity	LOW
Scope	UNCHANGED
AttackVector	LOCAL
AvailabilityImpact	HIGH
IntegrityImpact	NONE
PrivilegesRequired	LOW
BaseScore	5.5
VectorString	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Version	3.1
UserInteraction	NONE

CvssV2 impact

AccessComplexity	LOW
ConfidentialityImpact	NONE
AvailabilityImpact	PARTIAL
IntegrityImpact	NONE
BaseScore	2.1
VectorString	AV:L/AC:L/Au:N/C:N/I:N/A:P
Version	2.0
AccessVector	LOCAL
Authentication	NONE