CVE-2021-47547
What it is
In the Linux kernel, the following vulnerability has been resolved: net: tulip: de4x5: fix the problem that the array 'lp->phy[8]' may be out of bound In line 5001, if all id in the array 'lp->phy[8]' is not 0, when the 'for' end, the 'k' is 8. At this time, the array 'lp->phy[8]' may be out of bound.
At a glance
- Exploitability
- Can be exploited locally on the machine with a low-privilege account. Limited direct impact.
- 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: 4.4 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.2% · EPSS, next 30 days
- Weakness
- CWE-129
- Record status
- Analyzed
Affected
- Linux Kernel < 4.4.294
- Linux Kernel < 4.9.292
- Linux Kernel < 4.14.257
- Linux Kernel < 4.19.220
- Linux Kernel < 5.4.164
- Linux Kernel < 5.10.84
- Linux Kernel < 5.15.7
- Linux Kernel 5.16
Attack profile CVSS 3.1 · 4.4
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- Low
- Availability
- Low
Raw vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
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-2021-47547.md and follow it. Check whether this project is affected by CVE-2021-47547. 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/12f907cb11576b8cd0b1d95a16d1f10ed5bb7237
- https://git.kernel.org/stable/c/142ead3dc70411bd5977e8c47a6d8bf22287b3f8
- https://git.kernel.org/stable/c/2c1a6a9a011d622a7c61324a97a49801ba425eff
- https://git.kernel.org/stable/c/61217be886b5f7402843677e4be7e7e83de9cb41
- https://git.kernel.org/stable/c/77ff166909458646e66450e42909e0adacc99049
- https://git.kernel.org/stable/c/d3dedaa5a601107cfedda087209772c76e364d58
- https://git.kernel.org/stable/c/ec5bd0aef1cec96830d0c7e06d3597d9e786cc98
- https://git.kernel.org/stable/c/f059fa40f0fcc6bc7a12e0f2a2504e9a4ff74f1f
- https://git.kernel.org/stable/c/12f907cb11576b8cd0b1d95a16d1f10ed5bb7237
- https://git.kernel.org/stable/c/142ead3dc70411bd5977e8c47a6d8bf22287b3f8
References
- https://git.kernel.org/stable/c/12f907cb11576b8cd0b1d95a16d1f10ed5bb7237
- https://git.kernel.org/stable/c/142ead3dc70411bd5977e8c47a6d8bf22287b3f8
- https://git.kernel.org/stable/c/2c1a6a9a011d622a7c61324a97a49801ba425eff
- https://git.kernel.org/stable/c/61217be886b5f7402843677e4be7e7e83de9cb41
- https://git.kernel.org/stable/c/77ff166909458646e66450e42909e0adacc99049
- https://git.kernel.org/stable/c/d3dedaa5a601107cfedda087209772c76e364d58
- https://git.kernel.org/stable/c/ec5bd0aef1cec96830d0c7e06d3597d9e786cc98
- https://git.kernel.org/stable/c/f059fa40f0fcc6bc7a12e0f2a2504e9a4ff74f1f
- https://git.kernel.org/stable/c/12f907cb11576b8cd0b1d95a16d1f10ed5bb7237
- https://git.kernel.org/stable/c/142ead3dc70411bd5977e8c47a6d8bf22287b3f8
- https://git.kernel.org/stable/c/2c1a6a9a011d622a7c61324a97a49801ba425eff
- https://git.kernel.org/stable/c/61217be886b5f7402843677e4be7e7e83de9cb41
- https://git.kernel.org/stable/c/77ff166909458646e66450e42909e0adacc99049
- https://git.kernel.org/stable/c/d3dedaa5a601107cfedda087209772c76e364d58
- https://git.kernel.org/stable/c/ec5bd0aef1cec96830d0c7e06d3597d9e786cc98
- https://git.kernel.org/stable/c/f059fa40f0fcc6bc7a12e0f2a2504e9a4ff74f1f