CVE-2024-26946
kprobes/x86: Use copy_from_kernel_nofault() to read from unsafe address
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
Descriptions
In the Linux kernel, the following vulnerability has been resolved:
kprobes/x86: Use copy_from_kernel_nofault() to read from unsafe address
Read from an unsafe address with copy_from_kernel_nofault() in
arch_adjust_kprobe_addr() because this function is used before checking
the address is in text or not. Syzcaller bot found a bug and reported
the case if user specifies inaccessible data area,
arch_adjust_kprobe_addr() will cause a kernel panic.
[ mingo: Clarified the comment. ]
En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: kprobes/x86: use copy_from_kernel_nofault() para leer desde una dirección no segura Lea desde una dirección no segura con copy_from_kernel_nofault() en arch_adjust_kprobe_addr() porque esta función se usa antes de verificar que la dirección esté en texto O no. El bot Syzcaller encontró un error e informó el caso si el usuario especifica un área de datos inaccesible, arch_adjust_kprobe_addr() provocará un pánico en el kernel. [ mingo: Aclaró el comentario. ]
An unsafe read function was found in arch/x86/kernel/kprobes/core.c in the Linux kernel .
CVSS Scores
SSVC
- Decision:Track
Timeline
- 2024-02-19 CVE Reserved
- 2024-05-01 CVE Published
- 2024-05-01 EPSS Updated
- 2024-12-19 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
CAPEC
References (8)
| URL | Tag | Source |
|---|---|---|
| https://git.kernel.org/stable/c/cc66bb91457827f62e2b6cb2518666820f0a6c48 | Vuln. Introduced |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2024-26946 | 2024-09-11 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2278206 | 2024-09-11 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 5.18 < 6.1.84 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.18 < 6.1.84" | en |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 5.18 < 6.6.24 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.18 < 6.6.24" | en |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 5.18 < 6.7.12 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.18 < 6.7.12" | en |
Affected
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| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 5.18 < 6.8.3 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.18 < 6.8.3" | en |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 5.18 < 6.9 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.18 < 6.9" | en |
Affected
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