CVE-2022-49588
What it is
In the Linux kernel, the following vulnerability has been resolved: tcp: Fix data-races around sysctl_tcp_migrate_req. While reading sysctl_tcp_migrate_req, it can be changed concurrently. Thus, we need to add READ_ONCE() to its readers.
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
Details
- Published
- Last modified
- Exploit probability
- 0.2% · EPSS, next 30 days
- Weakness
- CWE-362 · Race condition
- Record status
- Modified
Affected
- Linux Kernel < 5.11
- Linux Kernel < 5.15.58
- Linux Kernel < 5.18.15
- Linux Kernel 5.19
Attack profile CVSS 3.1 · 4.7
- Attack vector
- Local
- Complexity
- High
- Privileges needed
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Fix and advisories
- https://git.kernel.org/stable/c/4177f545895b1da08447a80692f30617154efa6e
- https://git.kernel.org/stable/c/6e569a11eea20a1ccebc3c4e6366bf0574a449e1
- https://git.kernel.org/stable/c/fcf6c6d8aeffebca66f37b17ef1b57112e5e09c1