Vulnerability Details : CVE-2023-2177
A null pointer dereference issue was found in the sctp network protocol in net/sctp/stream_sched.c in Linux Kernel. If stream_in allocation is failed, stream_out is freed which would further be accessed. A local user could use this flaw to crash the system or potentially cause a denial of service.
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2023-2177
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.19:rc1:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.19:rc2:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.19:rc3:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.19:rc4:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.19:rc5:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.19:rc6:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.19:rc7:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.19:rc8:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-2177
0.01%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 1 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-2177
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
134c704f-9b21-4f2e-91b3-4a467353bcc0 | 2025-03-18 |
|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2023-2177
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by:
- nvd@nist.gov (Primary)
- secalert@redhat.com (Secondary)
References for CVE-2023-2177
-
https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=181d8d2066c0
kernel/git/netdev/net.git - Netdev Group's networking treeMailing List;Patch;Vendor Advisory
Jump to