CVE-2022-48641 : In the Linux kernel, the following vulnerability has been resolved: netfilter:

In the Linux kernel, the following vulnerability has been resolved: netfilter: ebtables: fix memory leak when blob is malformed The bug fix was incomplete, it "replaced" crash with a memory leak. The old code had an assignment to "ret" embedded into the conditional, restore this.

Published 2024-04-28 13:15:07

Updated 2025-01-07 16:57:26

Source Linux

View at NVD, CVE.org

Products affected by CVE-2022-48641

Linux » Linux Kernel
Versions from including (>=) 4.19.257 and before (<) 4.19.260
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel
Versions from including (>=) 5.10.140 and before (<) 5.10.146
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel
Versions from including (>=) 4.14.292 and before (<) 4.14.295
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel
Versions from including (>=) 5.4.212 and before (<) 5.4.215
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel
Versions from including (>=) 5.15.64 and before (<) 5.15.71
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel
Versions from including (>=) 5.19.6 and before (<) 5.19.12
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2022-48641

EPSS FAQ

0.05%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 14 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2022-48641

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	NIST	2025-01-07
Attack Vector: Local Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE ids for CVE-2022-48641

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-2022-48641

https://git.kernel.org/stable/c/11ebf32fde46572b0aaf3c2bdd97d923ef5a03ab

netfilter: ebtables: fix memory leak when blob is malformed - kernel/git/stable/linux.git - Linux kernel stable tree
Patch
https://git.kernel.org/stable/c/1e98318af2f163eadaff815abcef38d27ca92c1e

netfilter: ebtables: fix memory leak when blob is malformed - kernel/git/stable/linux.git - Linux kernel stable tree
Patch
https://git.kernel.org/stable/c/ebd97dbe3c55d68346b9c5fb00634a7f5b10bbee

netfilter: ebtables: fix memory leak when blob is malformed - kernel/git/stable/linux.git - Linux kernel stable tree
Patch
https://git.kernel.org/stable/c/d5917b7af7cae0e2804f9d127a03268035098b7f

netfilter: ebtables: fix memory leak when blob is malformed - kernel/git/stable/linux.git - Linux kernel stable tree
Patch
https://git.kernel.org/stable/c/38cf372b17f0a5f35c1b716a100532d539f0eb33

netfilter: ebtables: fix memory leak when blob is malformed - kernel/git/stable/linux.git - Linux kernel stable tree
Patch
https://git.kernel.org/stable/c/754e8b74281dd54a324698803483f47cf3355ae1

netfilter: ebtables: fix memory leak when blob is malformed - kernel/git/stable/linux.git - Linux kernel stable tree
Patch
https://git.kernel.org/stable/c/62ce44c4fff947eebdf10bb582267e686e6835c9

netfilter: ebtables: fix memory leak when blob is malformed - kernel/git/stable/linux.git - Linux kernel stable tree
Patch

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Vulnerability Details : CVE-2022-48641

Products affected by CVE-2022-48641

Exploit prediction scoring system (EPSS) score for CVE-2022-48641

CVSS scores for CVE-2022-48641

CWE ids for CVE-2022-48641

References for CVE-2022-48641