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CVE

CVE-2026-74570

ntfs: harden runlist realloc size calculations
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CVE

CVE-2026-74570

ntfs: harden runlist realloc size calculations

In the Linux kernel, the following vulnerability has been resolved:

ntfs: harden runlist realloc size calculations

Add a shared helper to safely convert runlist element counts to byte sizes

using overflow checks, and use it in both ntfsrlrealloc() and

ntfsrlrealloc_nofail().

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
9.8
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
C
H
U
0
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
C
H
U
-

Related Resources

No items found.

References

https://git.kernel.org/stable/c/57e7b8bf7b02a0140463fea786e5172cbdf2da2f, https://git.kernel.org/stable/c/8bed376124ab4505b70083a2b91f2c7ef6d51e24, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74570.json, https://nvd.nist.gov/vuln/detail/CVE-2026-74570, https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Severity

9.8

CVSS Score
0
10

Basic Information

Base CVSS
9.8
EPSS Probability
0.00308%
EPSS Percentile
0.22947%
Introduced Version
11ccc9107dc460de28af90fac1f42404d9802735,7.1.0,0
Fix Available
8bed376124ab4505b70083a2b91f2c7ef6d51e24,7.1.8

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