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 an issue with the merging of bfqreleaseprocessref and bfqputcooperator in the block, bfq subsystem...

CBL Mariner 2.0 Security Update: kernel (CVE-2024-49854)

The version of kernel installed on the remote CBL Mariner 2.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-49854 advisory. - In the Linux kernel, the following vulnerability has been resolved: block, bfq: fix uaf for accessing...

SUSE-SU-2024:4103-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP2 LTSS kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2021-47589: igbvf: fix double free in igbvfprobe bsc1226557. - CVE-2022-48956: ipv6: avoid use-after-free in ip6fragment bsc1231893. - CVE-2022-48960: net:...

block bfq: fix possible UAF for bfqq->bic with merge chain

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CVE-2024-49854

In the Linux kernel, the following vulnerability has been resolved: block, bfq: fix uaf for accessing wakerbfqq after splitting After commit 42c306ed7233 "block, bfq: don't break merge chain in bfqsplitbfqq", if the current procress is the last holder of bfqq, the bfqq can be freed after...

DEBIAN-CVE-2024-49854

In the Linux kernel, the following vulnerability has been resolved: block, bfq: fix uaf for accessing wakerbfqq after splitting After commit 42c306ed7233 "block, bfq: don't break merge chain in bfqsplitbfqq", if the current procress is the last holder of bfqq, the bfqq can be freed after...

AZL-50850 CVE-2024-49854 affecting package kernel for versions less than 6.6.56.1-5

In the Linux kernel, the following vulnerability has been resolved: block, bfq: fix uaf for accessing wakerbfqq after splitting After commit 42c306ed7233 "block, bfq: don't break merge chain in bfqsplitbfqq", if the current procress is the last holder of bfqq, the bfqq can be freed after...

AZL-50829 CVE-2024-49854 affecting package kernel for versions less than 5.15.173.1-1

In the Linux kernel, the following vulnerability has been resolved: block, bfq: fix uaf for accessing wakerbfqq after splitting After commit 42c306ed7233 "block, bfq: don't break merge chain in bfqsplitbfqq", if the current procress is the last holder of bfqq, the bfqq can be freed after...

CVE-2024-49854

In the Linux kernel, the following vulnerability has been resolved: block, bfq: fix uaf for accessing wakerbfqq after splitting After commit 42c306ed7233 "block, bfq: don't break merge chain in bfqsplitbfqq", if the current procress is the last holder of bfqq, the bfqq can be freed after...

UBUNTU-CVE-2024-49854

In the Linux kernel, the following vulnerability has been resolved: block, bfq: fix uaf for accessing wakerbfqq after splitting After commit 42c306ed7233 "block, bfq: don't break merge chain in bfqsplitbfqq", if the current procress is the last holder of bfqq, the bfqq can be freed after...

CVE-2024-49854 block, bfq: fix uaf for accessing waker_bfqq after splitting

In the Linux kernel, the following vulnerability has been resolved: block, bfq: fix uaf for accessing wakerbfqq after splitting After commit 42c306ed7233 "block, bfq: don't break merge chain in bfqsplitbfqq", if the current procress is the last holder of bfqq, the bfqq can be freed after...

CVE-2024-49854

In the Linux kernel, the following vulnerability has been resolved: block, bfq: fix uaf for accessing wakerbfqq after splitting After commit 42c306ed7233 "block, bfq: don't break merge chain in bfqsplitbfqq", if the current procress is the last holder of bfqq, the bfqq can be freed after...

CVE-2024-49854 block, bfq: fix uaf for accessing waker_bfqq after splitting

In the Linux kernel, the following vulnerability has been resolved: block, bfq: fix uaf for accessing wakerbfqq after splitting After commit 42c306ed7233 "block, bfq: don't break merge chain in bfqsplitbfqq", if the current procress is the last holder of bfqq, the bfqq can be freed after...

DEBIAN-CVE-2024-47706

In the Linux kernel, the following vulnerability has been resolved: block, bfq: fix possible UAF for bfqq-bic with merge chain 1 initial state, three tasks: Process 1 Process 2 Process 3 BIC1 BIC2 BIC3 | Λ | Λ | Λ | | | | | | V | V | V | bfqq1 bfqq2 bfqq3 process ref: 1 1 1 2 bfqq1 merged to bfqq...

CVE-2024-47706

In the Linux kernel, the following vulnerability has been resolved: block, bfq: fix possible UAF for bfqq-bic with merge chain 1 initial state, three tasks: Process 1 Process 2 Process 3 BIC1 BIC2 BIC3 | Λ | Λ | Λ | | | | | | V | V | V | bfqq1 bfqq2 bfqq3 process ref: 1 1 1 2 bfqq1 merged to bfqq...

CVE-2024-47706 block, bfq: fix possible UAF for bfqq->bic with merge chain

In the Linux kernel, the following vulnerability has been resolved: block, bfq: fix possible UAF for bfqq-bic with merge chain 1 initial state, three tasks: Process 1 Process 2 Process 3 BIC1 BIC2 BIC3 | Λ | Λ | Λ | | | | | | V | V | V | bfqq1 bfqq2 bfqq3 process ref: 1 1 1 2 bfqq1 merged to bfqq...

CVE-2024-47706 block, bfq: fix possible UAF for bfqq->bic with merge chain

In the Linux kernel, the following vulnerability has been resolved: block, bfq: fix possible UAF for bfqq-bic with merge chain 1 initial state, three tasks: Process 1 Process 2 Process 3 BIC1 BIC2 BIC3 | Λ | Λ | Λ | | | | | | V | V | V | bfqq1 bfqq2 bfqq3 process ref: 1 1 1 2 bfqq1 merged to bfqq...

Linux kernel 资源管理错误漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A resource management error vulnerability exists in Linux kernel that stems from a potential post-release reuse issue with the bfqq-bic merge chain in the block, bfq subsystem...

Linux kernel 资源管理错误漏洞

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 post-release reuse issue that may occur when the bfq module in the block layer accesses wakerbfqq after...

SUSE CVE-2021-47379

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: fix UAF by grabbing blkcg lock before destroying blkg pd KASAN reports a use-after-free report when doing fuzz test: 693354.104835 ================================================================== 693354.105094 BUG:...