CVE-2021-47074
What it is
In the Linux kernel, the following vulnerability has been resolved: nvme-loop: fix memory leak in nvme_loop_create_ctrl() When creating loop ctrl in nvme_loop_create_ctrl(), if nvme_init_ctrl() fails, the loop ctrl should be freed before jumping to the "out" label.
At a glance
- Exploitability
- Can be exploited locally on the machine with a low-privilege account. High risk of service disruption.
- Exploit odds
- 0.2% 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: 0.2% in the next 30 days (EPSS).
- Severity: 5.5 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.2% · EPSS, next 30 days
- Weakness
- CWE-401
- Record status
- Analyzed
Affected
- Linux Kernel < 5.10.40
- Linux Kernel < 5.12.7
- Linux Kernel 5.13
Attack profile CVSS 3.1 · 5.5
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/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-2021-47074.md and follow it. Check whether this project is affected by CVE-2021-47074. 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/03504e3b54cc8118cc26c064e60a0b00c2308708
- https://git.kernel.org/stable/c/551ba08d4b7eb26f75758cdb9f15105b276517ad
- https://git.kernel.org/stable/c/9c980795ccd77e8abec33dd6fe28dfe1c4083e65
- https://git.kernel.org/stable/c/03504e3b54cc8118cc26c064e60a0b00c2308708
- https://git.kernel.org/stable/c/551ba08d4b7eb26f75758cdb9f15105b276517ad
- https://git.kernel.org/stable/c/9c980795ccd77e8abec33dd6fe28dfe1c4083e65
References
- https://git.kernel.org/stable/c/03504e3b54cc8118cc26c064e60a0b00c2308708
- https://git.kernel.org/stable/c/551ba08d4b7eb26f75758cdb9f15105b276517ad
- https://git.kernel.org/stable/c/9c980795ccd77e8abec33dd6fe28dfe1c4083e65
- https://git.kernel.org/stable/c/03504e3b54cc8118cc26c064e60a0b00c2308708
- https://git.kernel.org/stable/c/551ba08d4b7eb26f75758cdb9f15105b276517ad
- https://git.kernel.org/stable/c/9c980795ccd77e8abec33dd6fe28dfe1c4083e65