Vulnerability Details : CVE-2023-28772
An issue was discovered in the Linux kernel before 5.13.3. lib/seq_buf.c has a seq_buf_putmem_hex buffer overflow.
Vulnerability category: Overflow
Products affected by CVE-2023-28772
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-28772
0.13%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 34 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-28772
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.7
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
0.8
|
5.9
|
134c704f-9b21-4f2e-91b3-4a467353bcc0 | 2025-05-05 |
|
6.7
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
0.8
|
5.9
|
NIST |
CWE ids for CVE-2023-28772
-
The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.Assigned by:
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)
- nvd@nist.gov (Primary)
References for CVE-2023-28772
-
https://lkml.kernel.org/r/20210626032156.47889-1-yun.zhou@windriver.com
[PATCH 1/2] seq_buf: fix overflow in seq_buf_putmem_hex()Mailing List;Patch;Vendor Advisory
-
https://lore.kernel.org/lkml/20210625122453.5e2fe304%40oasis.local.home/
Re: [PATCH 1/2] seq_buf: fix overflow when length is bigger than 8 - Steven Rostedt
-
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.3
Release Notes;Vendor Advisory
-
https://github.com/torvalds/linux/commit/d3b16034a24a112bb83aeb669ac5b9b01f744bb7
seq_buf: Fix overflow in seq_buf_putmem_hex() · torvalds/linux@d3b1603 · GitHubPatch;Vendor Advisory
-
https://lore.kernel.org/lkml/20210625122453.5e2fe304@oasis.local.home/
Re: [PATCH 1/2] seq_buf: fix overflow when length is bigger than 8 - Steven RostedtMailing List;Patch;Vendor Advisory
-
https://security.netapp.com/advisory/ntap-20230427-0005/
CVE-2023-28772 Linux Kernel Vulnerability in NetApp Products | NetApp Product SecurityThird Party Advisory
-
https://lkml.kernel.org/r/20210626032156.47889-1-yun.zhou%40windriver.com
[PATCH 1/2] seq_buf: fix overflow in seq_buf_putmem_hex()
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