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Positive Technologies
Positive Technologies
•added 2026/09/17 12:00 a.m.•5 views

PT-2026-94843

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the bpf arena free pages function where scalar arena addresses are processed by masking the address to the low 32 bits and reconstructing a full user address from the...

8.8CVSS7.1AI score0.0067EPSS
SaveExploits0References319
RedHat Linux
RedHat Linux
•added 2025/11/11 9:13 a.m.•15 views

kernel: bpf: Fix softlockup in arena_map_free on 64k page kernel

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix softlockup in arenamapfree on 64k page kernel On an aarch64 kernel with CONFIGPAGESIZE64KB=y, arenahtab tests cause a segmentation fault and soft lockup. The same failure is not observed with 4k pages on aarch64. It turn...

7.8CVSS5.9AI score0.00177EPSS
SaveExploits0References5
SUSE CVE
SUSE CVE
•added 2025/03/12 3:23 p.m.•12 views

SUSE CVE-2025-21851

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix softlockup in arenamapfree on 64k page kernel On an aarch64 kernel with CONFIGPAGESIZE64KB=y, arenahtab tests cause a segmentation fault and soft lockup. The same failure is not observed with 4k pages on aarch64. It turn...

5.5CVSS7.5AI score0.00177EPSS
SaveExploits0References5
osv_ubuntu
osv_ubuntu
•added 2025/03/12 10:15 a.m.•30 views

UBUNTU-CVE-2025-21851

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix softlockup in arenamapfree on 64k page kernel On an aarch64 kernel with CONFIGPAGESIZE64KB=y, arenahtab tests cause a segmentation fault and soft lockup. The same failure is not observed with 4k pages on aarch64. It turn...

7.8CVSS6.5AI score0.00177EPSS
SaveExploits0References9
SUSE CVE
SUSE CVE
•added 2024/08/06 2:00 a.m.•12 views

SUSE CVE-2024-42075

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix remap of arena. The bpf arena logic didn't account for mremap operation. Add a refcnt for multiple mmap events to prevent use-after-free in arenavmclose...

7.8CVSS7.8AI score0.00216EPSS
SaveExploits0References3
osv_azl
osv_azl
•added 2024/07/29 4:15 p.m.•15 views

AZL-47186 CVE-2024-42075 affecting package kernel for versions less than 6.6.43.1-7

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix remap of arena. The bpf arena logic didn't account for mremap operation. Add a refcnt for multiple mmap events to prevent use-after-free in arenavmclose...

5.5CVSS6.5AI score0.00216EPSS
SaveExploits0References1
osv_azl
osv_azl
•added 2024/07/29 4:15 p.m.•16 views

AZL-47065 CVE-2024-42075 affecting package kernel for versions less than 5.15.162.2-1

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix remap of arena. The bpf arena logic didn't account for mremap operation. Add a refcnt for multiple mmap events to prevent use-after-free in arenavmclose...

5.5CVSS6.1AI score0.00216EPSS
SaveExploits0References1
osv_ubuntu
osv_ubuntu
•added 2024/07/29 4:15 p.m.•18 views

UBUNTU-CVE-2024-42075

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix remap of arena. The bpf arena logic didn't account for mremap operation. Add a refcnt for multiple mmap events to prevent use-after-free in arenavmclose...

7.8CVSS6.6AI score0.00216EPSS
SaveExploits0References5
CNNVD
CNNVD
•added 2024/07/29 12:00 a.m.•19 views

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from a mremap operation not being accounted for in the bpf arena logic, which requires reference counts to be add...

5.5CVSS6.9AI score0.00216EPSS
SaveExploits0References3
Positive Technologies
Positive Technologies
•added 2024/06/17 12:00 a.m.•11 views

PT-2024-29729

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The issue is related to the bpf arena logic in the Linux kernel, which did not account for the mremap operation. This led to a potential use-after-free scenario in the arena vm close...

7.8CVSS6.4AI score0.00216EPSS
SaveExploits0References20
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