CVE-2023-52646
Last modified
CVE-2023-52646 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. In the Linux kernel, the following vulnerability has been resolved: aio: fix mremap after fork null-deref Commit e4a0d3e720e7 ("aio: Make it possible to remap aio ring") introduced a null-deref if mremap is called on an old aio mapping after fork as mm->ioctx_table will be set to NULL. [jmoyer@redhat.com: fix 80 column issue]. EPSS estimates a 0.24% chance of exploitation in the next 30 days.
Description
In the Linux kernel, the following vulnerability has been resolved: aio: fix mremap after fork null-deref Commit e4a0d3e720e7 ("aio: Make it possible to remap aio ring") introduced a null-deref if mremap is called on an old aio mapping after fork as mm->ioctx_table will be set to NULL. [jmoyer@redhat.com: fix 80 column issue]
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Linux | Linux Kernel | >= 3.19, < 4.14.306 | — |
| Linux | Linux Kernel | >= 4.15, < 4.19.273 | — |
| Linux | Linux Kernel | >= 4.20, < 5.4.232 | — |
| Linux | Linux Kernel | >= 5.5, < 5.10.169 | — |
| Linux | Linux Kernel | >= 5.11, < 5.15.95 | — |
| Linux | Linux Kernel | >= 5.16, < 6.1.13 | — |
| Linux | Linux Kernel | 6.2 | Rc1 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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