CVE-2021-47322
What it is
In the Linux kernel, the following vulnerability has been resolved: NFSv4: Fix an Oops in pnfs_mark_request_commit() when doing O_DIRECT Fix an Oopsable condition in pnfs_mark_request_commit() when we're putting a set of writes on the commit list to reschedule them after a failed pNFS attempt.
At a glance
- Exploitability
- Can be exploited locally on the machine with a low-privilege account. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 0.3% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.3% in the next 30 days (EPSS).
- Severity: 7.8 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.3% · EPSS, next 30 days
- Weakness
- CWE-787 · Out-of-bounds write
- Record status
- Analyzed
Affected
- Linux Kernel < 5.10.52
- Linux Kernel < 5.12.19
- Linux Kernel < 5.13.4
Attack profile CVSS 3.1 · 7.8
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2021-47322.md and follow it. Check whether this project is affected by CVE-2021-47322. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://git.kernel.org/stable/c/3731d44bba8e0116b052b1b374476c5f6dd9a456
- https://git.kernel.org/stable/c/5c7ef8a3705542136a1e19b070e951f0730b2153
- https://git.kernel.org/stable/c/7aec9f862411906f8c27071ba65a1e110ad7d2fd
- https://git.kernel.org/stable/c/7c96a2ee45be41d5a167e6332d202086752c36bb
- https://git.kernel.org/stable/c/3731d44bba8e0116b052b1b374476c5f6dd9a456
- https://git.kernel.org/stable/c/5c7ef8a3705542136a1e19b070e951f0730b2153
- https://git.kernel.org/stable/c/7aec9f862411906f8c27071ba65a1e110ad7d2fd
- https://git.kernel.org/stable/c/7c96a2ee45be41d5a167e6332d202086752c36bb
References
- https://git.kernel.org/stable/c/3731d44bba8e0116b052b1b374476c5f6dd9a456
- https://git.kernel.org/stable/c/5c7ef8a3705542136a1e19b070e951f0730b2153
- https://git.kernel.org/stable/c/7aec9f862411906f8c27071ba65a1e110ad7d2fd
- https://git.kernel.org/stable/c/7c96a2ee45be41d5a167e6332d202086752c36bb
- https://git.kernel.org/stable/c/3731d44bba8e0116b052b1b374476c5f6dd9a456
- https://git.kernel.org/stable/c/5c7ef8a3705542136a1e19b070e951f0730b2153
- https://git.kernel.org/stable/c/7aec9f862411906f8c27071ba65a1e110ad7d2fd
- https://git.kernel.org/stable/c/7c96a2ee45be41d5a167e6332d202086752c36bb