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Veracode Vulnerability DatabaseVERACODE:30652HistoryMay 24, 2021 - 9:30 a.m.
Denial Of Service (DoS)
2021-05-2409:30:39
Veracode Vulnerability Database
sca.analysiscenter.veracode.com
17
shiftfs
vulnerability
copy_from_user
dos
memory handling
EPSS
0.001
Percentile
17.9%
Shiftfs is vulnerable to denial of service. The vulnerability exists due to improper handling of faults occurrence during copy_from_user() resulting in a double-free or memory not being freed situation.
References
packetstormsecurity.com/files/162614/Kernel-Live-Patch-Security-Notice-LSN-0077-1.html
git.launchpad.net/ubuntu-cve-tracker/tree/active/CVE-2021-3492
git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/focal/commit/?id=25c891a949bf918b59cbc6e4932015ba4c35c333
git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/focal/commit/?id=8fee52ab9da87d82bc6de9ebb3480fff9b4d53e6
ubuntu.com/security/notices/USN-4917-1
www.openwall.com/lists/oss-security/2021/04/16/2
www.zerodayinitiative.com/advisories/ZDI-21-422/
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