CVE-2021-47525
In the Linux kernel, the following vulnerability has been resolved: serial: liteuart: fix use-after-free and memleak on unbind Deregister the port when unbinding the driver to prevent it from being used after releasing the driver data and leaking memory…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.23%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In the Linux kernel, the following vulnerability has been resolved: serial: liteuart: fix use-after-free and memleak on unbind Deregister the port when unbinding the driver to prevent it from being used after releasing the driver data and leaking memory allocated by serial core.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.23% probability · 14th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- linux/linux kernel
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
References
- https://git.kernel.org/stable/c/05f929b395dec8957b636ff14e66b277ed022ed9Patch
- https://git.kernel.org/stable/c/602824cf9aa9db8830ffe5cfb2cd54365cada4fePatch
- https://git.kernel.org/stable/c/05f929b395dec8957b636ff14e66b277ed022ed9Patch
- https://git.kernel.org/stable/c/602824cf9aa9db8830ffe5cfb2cd54365cada4fePatch
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.