CVE-2021-0342
published 2021-01-11CVE-2021-0342: In tun_get_user of tun.c, there is possible memory corruption due to a use after free. This could lead to local escalation of privilege with System execution…
PriorityP428medium6.7CVSS 3.1
AVLACLPRHUINSUCHIHAH
EPSS
0.17%
7.1th percentile
In tun_get_user of tun.c, there is possible memory corruption due to a use after free. This could lead to local escalation of privilege with System execution privileges required. User interaction is not required for exploitation. Product: Android; Versions: Android kernel; Android ID: A-146554327.
Affected
6 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | linux | < linux 5.7.6-1 (bookworm) | linux 5.7.6-1 (bookworm) |
| linux | linux_kernel | >= 0 < 5.7.6-1 | 5.7.6-1 |
| linux | linux_kernel | >= 0 < 5.7.6-1 | 5.7.6-1 |
| linux | linux_kernel | >= 0 < 5.7.6-1 | 5.7.6-1 |
| linux | linux_kernel | >= 0 < 5.7.6-1 | 5.7.6-1 |
| paloalto | pan-os | — | — |
CVSS provenance
nvdv3.16.7MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
nvdv2.04.6MEDIUMAV:L/AC:L/Au:N/C:P/I:P/A:P
osv6.7MEDIUM
vendor_debian6.7MEDIUM
vendor_redhat6.7MEDIUM
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
GHSA
GHSA-pg9w-cr87-mrj9: In tun_get_user of tun
ghsa_unreviewed·2022-05-24
CVE-2021-0342 [MEDIUM] CWE-416 GHSA-pg9w-cr87-mrj9: In tun_get_user of tun
In tun_get_user of tun.c, there is possible memory corruption due to a use after free. This could lead to local escalation of privilege with System execution privileges required. User interaction is not required for exploitation. Product: Android; Versions: Android kernel; Android ID: A-146554327.
OSV
CVE-2021-0342: In tun_get_user of tun
osv·2021-01-11·CVSS 6.7
CVE-2021-0342 [MEDIUM] CVE-2021-0342: In tun_get_user of tun
In tun_get_user of tun.c, there is possible memory corruption due to a use after free. This could lead to local escalation of privilege with System execution privileges required. User interaction is not required for exploitation. Product: Android; Versions: Android kernel; Android ID: A-146554327.
Palo Alto
PAN-SA-2024-0001 Informational Bulletin: Impact of OSS CVEs in PAN-OS
vendor_paloalto·2024-02-14·CVSS 9.8
CVE-2017-18342 [CRITICAL] PAN-SA-2024-0001 Informational Bulletin: Impact of OSS CVEs in PAN-OS
PAN-SA-2024-0001 Informational Bulletin: Impact of OSS CVEs in PAN-OS
The Palo Alto Networks Product Security Assurance team has evaluated the following open source software (OSS) CVEs as they relate to PAN-OS software. While PAN-OS software may include the
CVEs: CVE-2017-18342, CVE-2017-8923, CVE-2017-9120, CVE-2019-1551, CVE-2019-16865, CVE-2019-16905, CVE-2019-19523, CVE-2019-19528, CVE-2019-19911, CVE-2020-0404, CVE-2020-0431, CVE-2020-0466, CVE-2020-10379, CVE-2020-11538, CVE-2020-11608, CVE-2020-12114, CVE-2020-12321, CVE-2020-12362, CVE-2020-12363, CVE-2020-12364, CVE-2020-13757, CVE-2020-14314, CVE-2020-14351, CVE-2020-15778, CVE-2020-1967, CVE-2020-24394, CVE-2020-24504, CVE-2020-25211, CVE-2020-25212, CVE-2020-25284, CVE-2020-25285, CVE-2020-25717, CVE-2020-26541, CVE-2020-2715
Red Hat
kernel: use after free in tun_get_user of tun.c could lead to local escalation of privilege
vendor_redhat·2021-01-11·CVSS 6.7
CVE-2021-0342 [MEDIUM] CWE-416 kernel: use after free in tun_get_user of tun.c could lead to local escalation of privilege
kernel: use after free in tun_get_user of tun.c could lead to local escalation of privilege
In tun_get_user of tun.c, there is possible memory corruption due to a use after free. This could lead to local escalation of privilege with System execution privileges required. User interaction is not required for exploitation. Product: Android; Versions: Android kernel; Android ID: A-146554327.
A flaw use after free in the Linux kernel TUN/TAP device driver functionality was found in the way user create and use tun/tap device. A local user could use this flaw to crash the system or possibly escalate their privileges on the system.
Statement: This flaw is rated as having Moderate impact because of the need to have elevated privileges and non-standard configuration of the networking device.
Mit
Debian
CVE-2021-0342: linux - In tun_get_user of tun.c, there is possible memory corruption due to a use after...
vendor_debian·2021·CVSS 6.7
CVE-2021-0342 [MEDIUM] CVE-2021-0342: linux - In tun_get_user of tun.c, there is possible memory corruption due to a use after...
In tun_get_user of tun.c, there is possible memory corruption due to a use after free. This could lead to local escalation of privilege with System execution privileges required. User interaction is not required for exploitation. Product: Android; Versions: Android kernel; Android ID: A-146554327.
Scope: local
bookworm: resolved (fixed in 5.7.6-1)
bullseye: resolved (fixed in 5.7.6-1)
forky: resolved (fixed in 5.7.6-1)
sid: resolved (fixed in 5.7.6-1)
trixie: resolved (fixed in 5.7.6-1)
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2021-01-11
Published