Is CVE-2021-35939 in the CISA KEV catalog?

No. CVE-2021-35939 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-35939?

CVE-2021-35939 has a CVSS v3 base score of 6.7 (MEDIUM).

What is the EPSS score for CVE-2021-35939?

CVE-2021-35939 has an EPSS score of 0.48% (38th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-35939?

Upgrade rpm on debian 12 to 4.18.0+dfsg-1 or later. Fixes are available for 97 affected products.

CVE & CISA-KEV Catalog

CVE-2021-35939

MEDIUM

6.7

CVSS v3

NVD

Description

It was found that the fix for CVE-2017-7500 and CVE-2017-7501 was incomplete: the check was only implemented for the parent directory of the file to be created. A local unprivileged user who owns another ancestor directory could potentially use this flaw to gain root privileges. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

CWE-59Link Following

How to fix

Remediation Available

rpmDebian

Fixed in:4.18.0+dfsg-1CVE-2021-35939

odf4/cephcsiRed Hat / RHEL

Fixed in:rhel9@sha256:5e262fe96badcdebcf0fc40e07acecd607b83a3d48fb90b05bc89ebe790add14_amd64RHSA-2024:1383

Fixed in:rhel9@sha256:b4b66a42eb728b46ff977431fd07be976d465680f49516dac3f433cdd12e4dbc_ppc64leRHSA-2024:1383

Fixed in:rhel9@sha256:765e623f5b4de11f0482f3abde344df4946665046c9190293a0ae9a5d0d62cd2_s390xRHSA-2024:1383

odf4/cephcsiRocky

Fixed in:rhel9@sha256:765e623f5b4de11f0482f3abde344df4946665046c9190293a0ae9a5d0d62cd2_s390xRHSA-2024:1383

Fixed in:rhel9@sha256:b4b66a42eb728b46ff977431fd07be976d465680f49516dac3f433cdd12e4dbc_ppc64leRHSA-2024:1383

Fixed in:rhel9@sha256:5e262fe96badcdebcf0fc40e07acecd607b83a3d48fb90b05bc89ebe790add14_amd64RHSA-2024:1383

odf4/mcgRocky

Fixed in:operator-bundle@sha256:3303677bc0ba2cc5e3f55ae313b516f32378b67a20389f69e09e2c3a9738a87d_s390xRHSA-2024:1383

Fixed in:rhel9-operator@sha256:93ed7e87e7660991843f3b2114ff2abe74f3b509c2b9a0ee32fc8707051203af_amd64RHSA-2024:1383

Fixed in:operator-bundle@sha256:19c29de2cf31f95e5f363064095602656355879eb19c778a8655083cebd54ce6_amd64RHSA-2024:1383

Fixed in:core-rhel9@sha256:f98634a0fa2517efb383bf6c2a4809f150408225875d7425e64a339209d72e32_amd64RHSA-2024:1383

Fixed in:rhel9-operator@sha256:d04a5a9748ac34459c21d4d10efcc9318220c7ceeeb15c41c56cae9bfbb44872_arm64RHSA-2024:1383

Fixed in:core-rhel9@sha256:23becbe8a9d70cda09e2d10fdd3411b943368a3d92535798d595d29b5bbc4f7e_arm64RHSA-2024:1383

Fixed in:rhel9-operator@sha256:94f6dded2ff421275b26d147e35d33e383f06ecb04cd0a618d8b4c5046d0e307_ppc64leRHSA-2024:1383

Fixed in:operator-bundle@sha256:98fb1b9309d82c663d3118d19fe776de51a277c474a42bf249fdf075f6993bc4_ppc64leRHSA-2024:1383

Fixed in:core-rhel9@sha256:b0eece2979587d7884f8707a6026e28a4aa7a3d96646b01249a9e351acf6b935_ppc64leRHSA-2024:1383

Fixed in:core-rhel9@sha256:31d951727244d235e62aed00d1121c6f8da4b9d22e895dcfdc814a8545442dac_s390xRHSA-2024:1383

Fixed in:rhel9-operator@sha256:d312e5adf2261eeab1106a72565652637d42e2d49d2294cb1413be62697f18d2_s390xRHSA-2024:1383

odf4/mcgRed Hat / RHEL