CVE-2024-49975: uprobes: fix kernel info leak via "[uprobes]" vma
First published: Mon Oct 21 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: uprobes: fix kernel info leak via "[uprobes]" vma xol_add_vma() maps the uninitialized page allocated by __create_xol_area() into userspace. On some architectures (x86) this memory is readable even without VM_READ, VM_EXEC results in the same pgprot_t as VM_EXEC|VM_READ, although this doesn't really matter, debugger can read this memory anyway.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | >=3.5<5.10.227 | |
| Linux Kernel | >=5.11<5.15.168 | |
| Linux Kernel | >=5.16<6.1.113 | |
| Linux Kernel | >=6.2<6.6.55 | |
| Linux Kernel | >=6.7<6.10.14 | |
| Linux Kernel | >=6.11<6.11.3 | |
| Linux Kernel | =6.12-rc1 | |
| debian/linux | <=5.10.223-1 | 5.10.234-1 6.1.129-1 6.1.128-1 6.12.21-1 |
| debian/linux-6.1 | 6.1.129-1~deb11u1 |
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Reference Links
- https://git.kernel.org/stable/c/21cb47db1ec9765f91304763a24565ddc22d2492
- https://git.kernel.org/stable/c/24141df5a8615790950deedd926a44ddf1dfd6d8
- https://git.kernel.org/stable/c/2aa45f43709ba2082917bd2973d02687075b6eee
- https://git.kernel.org/stable/c/34820304cc2cd1804ee1f8f3504ec77813d29c8e
- https://git.kernel.org/stable/c/5b981d8335e18aef7908a068529a3287258ff6d8
- https://git.kernel.org/stable/c/9634e8dc964a4adafa7e1535147abd7ec29441a6
- https://git.kernel.org/stable/c/f31f92107e5a8ecc8902705122c594e979a351fe
- https://git.kernel.org/stable/c/f561b48d633ac2e7d0d667020fc634a96ade33a0
- https://git.kernel.org/stable/c/fe5e9182d3e227476642ae2b312e2356c4d326a3
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-49975
- https://nvd.nist.gov/vuln/detail/CVE-2024-49975
- https://launchpad.net/bugs/cve/CVE-2024-49975
- https://security-tracker.debian.org/tracker/CVE-2024-49975
- https://ubuntu.com/security/CVE-2024-49975
- https://git.kernel.org/linus/34820304cc2cd1804ee1f8f3504ec77813d29c8e
Frequently Asked Questions
What is the severity of CVE-2024-49975?
CVE-2024-49975 has been classified with a severity that suggests it poses a notable risk due to potential information leaks.
How do I fix CVE-2024-49975?
To mitigate CVE-2024-49975, update to the latest patched versions of the Linux Kernel as listed in the vulnerability details.
What does CVE-2024-49975 affect?
CVE-2024-49975 affects multiple versions of the Linux Kernel, particularly those ranging from 3.5 to 6.12-rc1.
What type of vulnerability is CVE-2024-49975?
CVE-2024-49975 is classified as an information leak vulnerability within the Linux Kernel.
Are older Linux Kernel versions safe from CVE-2024-49975?
Older Linux Kernel versions are not safe and should be updated to eliminate the risk associated with CVE-2024-49975.
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