CVE-2011-4127
What it is
The Linux kernel before 3.2.2 does not properly restrict SG_IO ioctl calls, which allows local users to bypass intended restrictions on disk read and write operations by sending a SCSI command to (1) a partition block device or (2) an LVM volume.
At a glance
- Exploitability
- Can be exploited locally on the machine without logging in. Limited direct impact.
- Exploit odds
- 0.6% 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: 0.6% in the next 30 days (EPSS).
- Severity: 4.6 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.6% · EPSS, next 30 days
- Weakness
- CWE-264
- Record status
- Modified
Affected
- Suse Linux Enterprise Server 10
- Linux Kernel ≤ 3.2.1
- Linux Kernel 3.0
- Linux Kernel 3.0.1
- Linux Kernel 3.0.2
- Linux Kernel 3.0.3
- Linux Kernel 3.0.4
- Linux Kernel 3.0.5
Attack profile CVSS 2.0 · 4.6
- Attack vector
- Local
- Complexity
- Low
- Authentication
- None
- Confidentiality
- Partial
- Integrity
- Partial
- Availability
- Partial
Raw vector
AV:L/AC:L/Au:N/C:P/I:P/A:P
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-2011-4127.md and follow it. Check whether this project is affected by CVE-2011-4127. 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://github.com/torvalds/linux/commit/0bfc96cb77224736dfa35c3c555d37b3646ef35e
- https://github.com/torvalds/linux/commit/ec8013beddd717d1740cfefb1a9b900deef85462
- https://github.com/torvalds/linux/commit/0bfc96cb77224736dfa35c3c555d37b3646ef35e
- https://github.com/torvalds/linux/commit/ec8013beddd717d1740cfefb1a9b900deef85462
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=0bfc96cb77224736dfa35c3c555d37b3646ef35e
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ec8013beddd717d1740cfefb1a9b900deef85462
- http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.html
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.html
- http://secunia.com/advisories/48898
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.2
- http://www.openwall.com/lists/oss-security/2011/12/22/5
- https://bugzilla.redhat.com/show_bug.cgi?id=752375
- https://github.com/torvalds/linux/commit/0bfc96cb77224736dfa35c3c555d37b3646ef35e
- https://github.com/torvalds/linux/commit/ec8013beddd717d1740cfefb1a9b900deef85462
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=0bfc96cb77224736dfa35c3c555d37b3646ef35e
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ec8013beddd717d1740cfefb1a9b900deef85462
- http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.html
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.html
- http://secunia.com/advisories/48898
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.2
- http://www.openwall.com/lists/oss-security/2011/12/22/5
- https://bugzilla.redhat.com/show_bug.cgi?id=752375
- https://github.com/torvalds/linux/commit/0bfc96cb77224736dfa35c3c555d37b3646ef35e
- https://github.com/torvalds/linux/commit/ec8013beddd717d1740cfefb1a9b900deef85462