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 originates in the bpf module in the BPFCOREREADBITFIELD macro, where the variable val may be uninitialized. This could...

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 originates in the bpf module in the test case dummystops/dummyinitretvalue, where the first argument of the test1...

AZL-47137 CVE-2024-42067 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: bpf: Take return from setmemoryrox into account with bpfjitbinarylockro setmemoryrox can fail, leaving memory unprotected. Check return and bail out when bpfjitbinarylockro returns an error...

DEBIAN-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...

DEBIAN-CVE-2024-42072

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix maygoto with negative offset. Zac's syzbot crafted a bpf prog that exposed two bugs in maygoto. The 1st bug is the way maygoto is patched. When offset is negative it should be patched differently. The 2nd bug is in the...

UBUNTU-CVE-2024-42063

In the Linux kernel, the following vulnerability has been resolved: bpf: Mark bpf prog stack with kmsanunposionmemory in interpreter mode syzbot reported uninit memory usages during maplookup,deleteelem. ========== BUG: KMSAN: uninit-value in devmaplookupelem kernel/bpf/devmap.c:441 inline BUG:...

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 the use of uninitialized memory by the bpf program stack in interpreter mode...

SUSE CVE-2024-41009

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix overrunning reservations in ringbuf The BPF ring buffer internally is implemented as a power-of-2 sized circular buffer, with two logical and ever-increasing counters: consumerpos is the consumer counter to show which...

UBUNTU-CVE-2024-41010

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix too early release of tcxentry Pedro Pinto and later independently also Hyunwoo Kim and Wongi Lee reported an issue that the tcxentry can be released too early leading to a use after free UAF when an active old-style...

UBUNTU-CVE-2024-41009

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix overrunning reservations in ringbuf The BPF ring buffer internally is implemented as a power-of-2 sized circular buffer, with two logical and ever-increasing counters: consumerpos is the consumer counter to show which...

DEBIAN-CVE-2024-40996

In the Linux kernel, the following vulnerability has been resolved: bpf: Avoid splat in pskbpullreason syzkaller builds CONFIGDEBUGNET=y frequently trigger a debug hint in pskbmaypull. We'd like to retain this debug check because it might hint at integer overflows and other issues kernel code...

DEBIAN-CVE-2024-40909

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix a potential use-after-free in bpflinkfree After commit 1a80dbcb2dba, bpflink can be freed by link-ops-deallocdeferred, but the code still tests and uses link-ops-dealloc afterward, which leads to a use-after-free as...

DEBIAN-CVE-2024-40908

In the Linux kernel, the following vulnerability has been resolved: bpf: Set run context for rawtp testrun callback syzbot reported crash when rawtp program executed through the testrun interface calls bpfgetattachcookie helper or any other helper that touches task-bpfctx pointer. Setting the run...

Linux kernel security vulnerabilities

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 Linux kernel, which stems from a failure of the bpf component to properly set the runtime environment when using the testrun interface...

PT-2024-30699 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue concerns the Linux kernel, where the function adjust jmp off incorrectly used the insn-imm field for all overflow checks. This is incorrect because it should only be done for...

PT-2024-32172

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The issue is related to the Linux kernel, where the lwt seg6 related BPF ops can be invoked via bpf test run without entering input action end bpf first. This is because the per-CPU...

bpf: Fix DEVMAP_HASH overflow check on 32-bit arches

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SUSE CVE-2022-48770

In the Linux kernel, the following vulnerability has been resolved: bpf: Guard against accessing NULL ptregs in bpfgettaskstack taskptregs can return NULL on powerpc for kernel threads. This is then used in bpfgetstack to check for user mode, resulting in a kernel oops. Guard against this by...

DEBIAN-CVE-2022-48755

In the Linux kernel, the following vulnerability has been resolved: powerpc64/bpf: Limit 'ldbrx' to processors compliant with ISA v2.06 Johan reported the below crash with testbpf on ppc64 e5500: testbpf: 296 ALUENDFROMLE 64: 0x0123456789abcdef - 0x67452301 jited:1 Oops: Exception in kernel mode,...

UBUNTU-CVE-2022-48714

In the Linux kernel, the following vulnerability has been resolved: bpf: Use VMMAP instead of VMALLOC for ringbuf After commit 2fd3fb0be1d1 "kasan, vmalloc: unpoison VMALLOC pages after mapping", non-VMALLOC mappings will be marked as accessible in getvmareanode when KASAN is enabled. But now the...