Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: Avoid corrupting the page-mapping in hugetlbmcopyatomicpte. In the MCOPYATOMICCONTINUE case with a non-shared VMA, the pages in the page cache are stored in the ptes. However, hugepageaddnewanonrmap is called for thes...

WS-2017-3778

FILE CVS in versions FILE417 to FILE531 is vulnerable to use-of-uninitialized-value in mcopy, related to src/softmagic.c...

WS-2016-7108

The mcopy function in src/softmagic.c in libmagic causes a Heap Buffer Overflow in version FILE529...

Linux kernel mm/hugetlb.c Heap Buffer Overflow DoS

The vulnerability of the hugetlbmcopyatomicpte function in the mm/hugetlb.c module of the Linux kernel’s memory-management subsystem is related to operations that go beyond the buffer boundaries in memory. Exploiting this vulnerability could allow an attacker to compromise the confidentiality,...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-000906)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000906 advisory. A flaw was found in the hugetlbmcopyatomicpte function in mm/hugetlb.c in the Linux kernel before 4.13. A superfluous implicit page unlock for VMSHARED hugetlbfs...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-003395)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003395 advisory. A flaw was found in the hugetlbmcopyatomicpte function in mm/hugetlb.c in the Linux kernel before 4.13.12. A lack of size check could cause a denial of service BUG...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003123)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003123 advisory. A flaw was found in the hugetlbmcopyatomicpte function in mm/hugetlb.c in the Linux kernel before 4.13.12. A lack of size check could cause a denial of service BUG...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002738)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002738 advisory. A flaw was found in the hugetlbmcopyatomicpte function in mm/hugetlb.c in the Linux kernel before 4.13. A superfluous implicit page unlock for VMSHARED hugetlbfs...

Linux Distros Unpatched Vulnerability : CVE-2022-49991

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: avoid corrupting page-mapping in hugetlbmcopyatomicpte In MCOPYATOMICCONTINUE ca...

SUSE CVE-2022-49991

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: avoid corrupting page-mapping in hugetlbmcopyatomicpte In MCOPYATOMICCONTINUE case with a non-shared VMA, pages in the page cache are installed in the ptes. But hugepageaddnewanonrmap is called for them mistakenly...

UBUNTU-CVE-2022-49991

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: avoid corrupting page-mapping in hugetlbmcopyatomicpte In MCOPYATOMICCONTINUE case with a non-shared VMA, pages in the page cache are installed in the ptes. But hugepageaddnewanonrmap is called for them mistakenly...

SUSE CVE-2015-4605

The mcopy function in softmagic.c in file 5.x, as used in the Fileinfo component in PHP before 5.4.40, 5.5.x before 5.5.24, and 5.6.x before 5.6.8, does not properly restrict a certain offset value, which allows remote attackers to cause a denial of service application crash or possibly execute...

SUSE CVE-2017-15127

A flaw was found in the hugetlbmcopyatomicpte function in mm/hugetlb.c in the Linux kernel before 4.13. A superfluous implicit page unlock for VMSHARED hugetlbfs mapping could trigger a local denial of service BUG...

SUSE CVE-2017-15128

A flaw was found in the hugetlbmcopyatomicpte function in mm/hugetlb.c in the Linux kernel before 4.13.12. A lack of size check could cause a denial of service BUG...

PT-2022-33285

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.19.6 Description A potential issue exists in the Linux Kernel, specifically in the hugetlb mcopy atomic pte function, where page-mapping could be corrupted. The actual impact and attack plausibility have not y...

OSV-2016-7 Heap-buffer-overflow in mcopy

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=153 Crash type: Heap-buffer-overflow READ 1 Crash state: mcopy mget match...

PT-2021-27385

Name of the Vulnerable Software and Affected Versions: No specific software or versions are mentioned in the provided descriptions. Description: A heap-buffer-overflow READ 1 crash has been reported. The crash state includes functions such as mcopy, mget, and match. Recommendations: At the moment...

OSV-2017-52 Use-of-uninitialized-value in mcopy

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=2242 Crash type: Use-of-uninitialized-value Crash state: mcopy mget match...

PT-2021-27428

Name of the Vulnerable Software and Affected Versions: No specific software or versions are mentioned in the provided descriptions. Description: The issue is related to a crash type of "Use-of-uninitialized-value". The crash state includes functions such as mcopy, mget, and match. No information ...

Linux kernel denial of service vulnerability (CNVD-2018-03215)

The Linux kernel is a computer operating system kernel written in C and assembly language, compliant with the POSIX standard, and distributed under the GNU General Public License. A denial of service vulnerability exists in the hugetlbmcopyatomicpte function in mm/hugetlb.c in the Linux kernel. T...