CVE-2023-52653 : In the Linux kernel, the following vulnerability has been resolved: SUNRPC: fix

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: fix a memleak in gss_import_v2_context The ctx->mech_used.data allocated by kmemdup is not freed in neither gss_import_v2_context nor it only caller gss_krb5_import_sec_context, which frees ctx on error. Thus, this patch reform the last call of gss_import_v2_context to the gss_krb5_import_ctx_v2, preventing the memleak while keepping the return formation.

Published 2024-05-01 13:15:48

Updated 2025-04-08 18:42:29

Source Linux

View at NVD, CVE.org

Products affected by CVE-2023-52653

Linux » Linux Kernel
Versions from including (>=) 2.6.35 and before (<) 6.6.23
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel
Versions from including (>=) 6.8 and before (<) 6.8.2
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel
Versions from including (>=) 6.7 and before (<) 6.7.11
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2023-52653

EPSS FAQ

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-2023-52653

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	2024-11-05
Attack Vector: Local Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High
5.5	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	N/A	N/A	RedHat-CVE-2023-52653	2024-05-02
Attack Vector: Local Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE ids for CVE-2023-52653

CWE-401 Missing Release of Memory after Effective Lifetime

The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2023-52653

https://git.kernel.org/stable/c/99044c01ed5329e73651c054d8a4baacdbb1a27c

SUNRPC: fix a memleak in gss_import_v2_context - kernel/git/stable/linux.git - Linux kernel stable tree
Patch
https://git.kernel.org/stable/c/47ac11db93e74ac49cd6c3fc69bcbc5964c4a8b4

SUNRPC: fix a memleak in gss_import_v2_context - kernel/git/stable/linux.git - Linux kernel stable tree
Patch
https://git.kernel.org/stable/c/e67b652d8e8591d3b1e569dbcdfcee15993e91fa

SUNRPC: fix a memleak in gss_import_v2_context - kernel/git/stable/linux.git - Linux kernel stable tree
Patch
https://git.kernel.org/stable/c/d111e30d9cd846bb368faf3637dc0f71fcbcf822

SUNRPC: fix a memleak in gss_import_v2_context - kernel/git/stable/linux.git - Linux kernel stable tree
Patch

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Vulnerability Details : CVE-2023-52653

Products affected by CVE-2023-52653

Exploit prediction scoring system (EPSS) score for CVE-2023-52653

CVSS scores for CVE-2023-52653

CWE ids for CVE-2023-52653

References for CVE-2023-52653