vulnerability
Ubuntu: (CVE-2021-47538): linux vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:S/C:N/I:N/A:C) | May 24, 2024 | Nov 19, 2024 | Sep 19, 2025 |
Severity
5
CVSS
(AV:L/AC:L/Au:S/C:N/I:N/A:C)
Published
May 24, 2024
Added
Nov 19, 2024
Modified
Sep 19, 2025
Description
In the Linux kernel, the following vulnerability has been resolved:
rxrpc: Fix rxrpc_local leak in rxrpc_lookup_peer()
Need to call rxrpc_put_local() for peer candidate before kfree() as it
holds a ref to rxrpc_local.
[DH: v2: Changed to abstract the peer freeing code out into a function]
Solutions
ubuntu-upgrade-linuxubuntu-upgrade-linux-awsubuntu-upgrade-linux-aws-5-4ubuntu-upgrade-linux-aws-fipsubuntu-upgrade-linux-azureubuntu-upgrade-linux-azure-5-4ubuntu-upgrade-linux-azure-fipsubuntu-upgrade-linux-bluefieldubuntu-upgrade-linux-fipsubuntu-upgrade-linux-gcpubuntu-upgrade-linux-gcp-5-4ubuntu-upgrade-linux-gcp-fipsubuntu-upgrade-linux-gkeopubuntu-upgrade-linux-hwe-5-4ubuntu-upgrade-linux-ibmubuntu-upgrade-linux-ibm-5-4ubuntu-upgrade-linux-kvmubuntu-upgrade-linux-oracleubuntu-upgrade-linux-oracle-5-4ubuntu-upgrade-linux-raspiubuntu-upgrade-linux-raspi-5-4
References
- CVE-2021-47538
- https://attackerkb.com/topics/CVE-2021-47538
- CWE-401
- URL-https://git.kernel.org/linus/beacff50edbd6c9659a6f15fc7f6126909fade29
- URL-https://git.kernel.org/stable/c/3e70e3a72d80b16094faccbe438cd53761c3503a
- URL-https://git.kernel.org/stable/c/60f0b9c42cb80833a03ca57c1c8b078d716e71d1
- URL-https://git.kernel.org/stable/c/913c24af2d13a3fd304462916ee98e298d56bdce
- URL-https://git.kernel.org/stable/c/9469273e616ca8f1b6e3773c5019f21b4c8d828c
- URL-https://git.kernel.org/stable/c/beacff50edbd6c9659a6f15fc7f6126909fade29
- URL-https://www.cve.org/CVERecord?id=CVE-2021-47538
NEW
Explore Exposure Command
Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.