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CVE-2025-39974

CVE-2025-39974

CVSS score

—

EPSS probability

%0.2

Risk score

—

Published

1 y ago

Patch status has not yet been verified

Resmî kaynaklarda yeterli kanıt bulunamadı. Bu sonuç “yama yok” anlamına gelmez.

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Vulnerability description

DayBreach CVE AI Research

CVE-2025-39974 has vendor, distribution, patch and security-source records on file. We can compare them and prepare an explanation linked to the evidence.

In the Linux kernel, the following vulnerability has been resolved: tracing/osnoise: Fix slab-out-of-bounds in _parse_integer_limit() When config osnoise cpus by write() syscall, the following KASAN splat may be observed: BUG: KASAN: slab-out-of-bounds in _parse_integer_limit+0x103/0x130 Read of size 1 at addr ffff88810121e3a1 by task test/447 CPU: 1 UID: 0 PID: 447 Comm: test Not tainted 6.17.0-rc6-dirty #288 PREEMPT(voluntary) Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014 Call Trace: <TASK> dump_stack_lvl+0x55/0x70 print_report+0xcb/0x610 kasan_report+0xb8/0xf0 _parse_integer_limit+0x103/0x130 bitmap_parselist+0x16d/0x6f0 osnoise_cpus_write+0x116/0x2d0 vfs_write+0x21e/0xcc0 ksys_write+0xee/0x1c0 do_syscall_64+0xa8/0x2a0 entry_SYSCALL_64_after_hwframe+0x77/0x7f </TASK> This issue can be reproduced by below code: const char *cpulist = "1"; int fd=open("/sys/kernel/debug/tracing/osnoise/cpus", O_WRONLY); write(fd, cpulist, strlen(cpulist)); Function bitmap_parselist() was called to parse cpulist, it require that the parameter 'buf' must be terminated with a '\0' or '\n'. Fix this issue by adding a '\0' to 'buf' in osnoise_cpus_write().

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2025-39974 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

IDVENDORPRODUCTACTION
Total affected vendors: 1|Products: 1

RED HAT CSAF/VEX: Product Impact Check

Red Hat has not yet published a CSAF/VEX impact record for this CVE. This does not mean “not affected”.

SCORING: CVSS from Multiple Sources

CVSS Scores

The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.

SCOREVERSIONSEVERITYVECTORSOURCE
The sources have not yet published a verified CVSS metric.

Patch and Remediation Guide

Solution & Remediation Advisory

Patch status unknown

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Confirm the affected product and version against the source evidence above.
Restrict access to internet-facing services and apply network segmentation.
Until a patch is confirmed, follow the vendor advisory; do not read an unknown status as “no patch”.
Monitor server logs and network endpoints for signs of anomalous execution.

Public exploit and active exploitation status

Verified exploit intelligence

No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-39974 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-39974 weaknesses.

Official Sources and Advisories

Yama durumu bilinmiyor

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