CVE-2024-33601
Publication date 6 May 2024
Last updated 4 August 2025
Ubuntu priority
Description
nscd: netgroup cache may terminate daemon on memory allocation failure The Name Service Cache Daemon's (nscd) netgroup cache uses xmalloc or xrealloc and these functions may terminate the process due to a memory allocation failure resulting in a denial of service to the clients. The flaw was introduced in glibc 2.15 when the cache was added to nscd. This vulnerability is only present in the nscd binary.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| glibc | 25.10 questing |
Not affected
|
| 25.04 plucky |
Not affected
|
|
| 24.04 LTS noble |
Fixed 2.39-0ubuntu8.2
|
|
| 22.04 LTS jammy |
Fixed 2.35-0ubuntu3.8
|
|
| 20.04 LTS focal |
Fixed 2.31-0ubuntu9.16
|
|
| 18.04 LTS bionic |
Fixed 2.27-3ubuntu1.6+esm3
|
|
| 16.04 LTS xenial |
Fixed 2.23-0ubuntu11.3+esm7
|
|
| eglibc | 25.10 questing | Not in release |
| 25.04 plucky | Not in release | |
| 24.04 LTS noble | Not in release | |
| 22.04 LTS jammy | Not in release | |
| 20.04 LTS focal | Not in release | |
| 14.04 LTS trusty |
Needs evaluation
|
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Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
7.3 · High
|
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | Low |
| Integrity impact | Low |
| Availability impact | Low |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
References
Related Ubuntu Security Notices (USN)
- USN-6804-1
- GNU C Library vulnerabilities
- 31 May 2024