CVEvulnerability
CVE-2021-47538
5.5 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2024-05-24
- Last modified
- 2026-06-17
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-401
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]
Affected configurations
• linux linux kernel (>= 4.19.82 < 4.19.220)
• linux linux kernel (>= 5.3.9 < 5.4)
• linux linux kernel (>= 5.4.1 < 5.4.164)
• linux linux kernel (>= 5.5 < 5.10.84)
• linux linux kernel (>= 5.11 < 5.15.7)
• linux linux kernel 5.4
• linux linux kernel 5.16
Related
Weakness · CWE (1)
- CWE-401 Missing Release of Memory after Effective Lifetime weakness
References
- https://git.kernel.org/stable/c/3e70e3a72d80b16094faccbe438cd53761c3503a Patch
- https://git.kernel.org/stable/c/60f0b9c42cb80833a03ca57c1c8b078d716e71d1 Patch
- https://git.kernel.org/stable/c/913c24af2d13a3fd304462916ee98e298d56bdce Patch
- https://git.kernel.org/stable/c/9469273e616ca8f1b6e3773c5019f21b4c8d828c Patch
- https://git.kernel.org/stable/c/beacff50edbd6c9659a6f15fc7f6126909fade29 Patch
- https://git.kernel.org/stable/c/3e70e3a72d80b16094faccbe438cd53761c3503a Patch
- https://git.kernel.org/stable/c/60f0b9c42cb80833a03ca57c1c8b078d716e71d1 Patch
- https://git.kernel.org/stable/c/913c24af2d13a3fd304462916ee98e298d56bdce Patch
- https://git.kernel.org/stable/c/9469273e616ca8f1b6e3773c5019f21b4c8d828c Patch
- https://git.kernel.org/stable/c/beacff50edbd6c9659a6f15fc7f6126909fade29 Patch