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CVE-2021-35938
published 2022-08-25

CVE-2021-35938: A symbolic link issue was found in rpm. It occurs when rpm sets the desired permissions and credentials after installing a file. A local unprivileged user…

medium6.7CVSS 3.1
AVLACLPRHUINSUCHIHAH
A symbolic link issue was found in rpm. It occurs when rpm sets the desired permissions and credentials after installing a file. A local unprivileged user could use this flaw to exchange the original file with a symbolic link to a security-critical file and escalate their privileges on the system. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Affected

12 ranges
VendorProductVersion rangeFixed in
debianrpm< rpm 4.18.0+dfsg-1 (bookworm)rpm 4.18.0+dfsg-1 (bookworm)
fedoraprojectfedora——
msrccbl2_rpm_4.18.0-1_on_cbl_mariner_2.0——
msrccm1_rpm_4.14.2-15_on_cbl_mariner_1.0——
redhatenterprise_linux——
redhatenterprise_linux——
redhatenterprise_linux——
rpmrpm< 4.18.04.18.0
rpmrpm——
rpmrpm>= 0 < 4.18.0+dfsg-14.18.0+dfsg-1
rpmrpm>= 0 < 4.18.0+dfsg-14.18.0+dfsg-1
rpmrpm>= 0 < 4.18.0+dfsg-14.18.0+dfsg-1

CVSS provenance

nvdv3.16.7MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
osv6.7MEDIUM