Vulnerability Details : CVE-2023-52846
In the Linux kernel, the following vulnerability has been resolved:
hsr: Prevent use after free in prp_create_tagged_frame()
The prp_fill_rct() function can fail. In that situation, it frees the
skb and returns NULL. Meanwhile on the success path, it returns the
original skb. So it's straight forward to fix bug by using the returned
value.
Vulnerability category: Memory Corruption
Products affected by CVE-2023-52846
- 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-2023-52846
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 15 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-52846
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST | 2024-12-31 |
CWE ids for CVE-2023-52846
-
The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2023-52846
-
https://git.kernel.org/stable/c/ddf4e04e946aaa6c458b8b6829617cc44af2bffd
hsr: Prevent use after free in prp_create_tagged_frame() - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/6086258bd5ea7b5c706ff62da42b8e271b2401db
hsr: Prevent use after free in prp_create_tagged_frame() - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/1787b9f0729d318d67cf7c5a95f0c3dba9a7cc18
hsr: Prevent use after free in prp_create_tagged_frame() - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/a1a485e45d24b1cd8fe834fd6f1b06e2903827da
hsr: Prevent use after free in prp_create_tagged_frame() - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/876f8ab52363f649bcc74072157dfd7adfbabc0d
hsr: Prevent use after free in prp_create_tagged_frame() - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/d103fb6726904e353b4773188ee3d3acb4078363
hsr: Prevent use after free in prp_create_tagged_frame() - kernel/git/stable/linux.git - Linux kernel stable treePatch
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