Debian update for snapd
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2022-3328 |
| CWE-ID | CWE-362 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Debian Linux Operating systems & Components / Operating system snapd (Debian package) Operating systems & Components / Operating system package or component |
| Vendor | Debian |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Race condition
EUVDB-ID: #VU69767
Risk: Low
CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-3328
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a race condition within the must_mkdir_and_open_with_perms() function in the
snapd snap-confine binary when preparing the private /tmp mount for a
snap. A local user can exploit the race and gain unauthorized access to sensitive information and escalate privileges on the system.
Note, the vulnerability is caused by an insufficient fix for #VU60743 (CVE-2021-44731).
Update snapd package to version 2.49-1+deb11u2.
Vulnerable software versionsDebian Linux: All versions
snapd (Debian package): before 2.49-1+deb11u2
External linkshttp://www.debian.org/security/2022/dsa-5292
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
