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CVE-2021-47296— KVM: PPC: Fix kvm_arch_vcpu_ioctl vcpu_load leak

EPSS 0.01% · P1

Affected Version Matrix 12

VendorProductVersion RangeStatus
LinuxLinuxb3cebfe8c1cadf1817939dcc3688a2504a69c662< 9bafc34dc4ad0cef18727c557f21ed3c3304df50affected
b3cebfe8c1cadf1817939dcc3688a2504a69c662< f38527f1890543cdfca8dfd06f75f9887cce6151affected
b3cebfe8c1cadf1817939dcc3688a2504a69c662< e14ef1095387f764d95614d3ec9e4d07c82a3533affected
b3cebfe8c1cadf1817939dcc3688a2504a69c662< a4a488915feaad38345cc01b80d52e8200ff5209affected
b3cebfe8c1cadf1817939dcc3688a2504a69c662< bc4188a2f56e821ea057aca6bf444e138d06c252affected
4.18affected
< 4.18unaffected
4.19.199≤ 4.19.*unaffected
… +4 more rows
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I. Basic Information for CVE-2021-47296

Vulnerability Information
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Vulnerability Title
KVM: PPC: Fix kvm_arch_vcpu_ioctl vcpu_load leak
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: KVM: PPC: Fix kvm_arch_vcpu_ioctl vcpu_load leak vcpu_put is not called if the user copy fails. This can result in preempt notifier corruption and crashes, among other issues.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于kvm_arch_vcpu_ioctl vcpu_load 泄漏。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
LinuxLinux b3cebfe8c1cadf1817939dcc3688a2504a69c662 ~ 9bafc34dc4ad0cef18727c557f21ed3c3304df50 -
LinuxLinux 4.18 -

II. Public POCs for CVE-2021-47296

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III. Intelligence Information for CVE-2021-47296

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Same Patch Batch · Linux · 2024-05-21 · 361 CVEs total

CVE-2021-47432lib/generic-radix-tree.c: Don't overflow in peek()
CVE-2023-52760gfs2: Fix slab-use-after-free in gfs2_qd_dealloc
CVE-2023-52757smb: client: fix potential deadlock when releasing mids
CVE-2023-52755ksmbd: fix slab out of bounds write in smb_inherit_dacl()
CVE-2023-52754media: imon: fix access to invalid resource for the second interface
CVE-2023-52753drm/amd/display: Avoid NULL dereference of timing generator
CVE-2023-52752smb: client: fix use-after-free bug in cifs_debug_data_proc_show()
CVE-2023-52751smb: client: fix use-after-free in smb2_query_info_compound()
CVE-2023-52750arm64: Restrict CPU_BIG_ENDIAN to GNU as or LLVM IAS 15.x or newer
CVE-2023-52749spi: Fix null dereference on suspend
CVE-2023-52748f2fs: avoid format-overflow warning
CVE-2022-48710drm/radeon: fix a possible null pointer dereference
CVE-2023-52742net: USB: Fix wrong-direction WARNING in plusb.c
CVE-2023-52738drm/amdgpu/fence: Fix oops due to non-matching drm_sched init/fini
CVE-2023-52740powerpc/64s/interrupt: Fix interrupt exit race with security mitigation switch
CVE-2023-52739Fix page corruption caused by racy check in __free_pages
CVE-2023-52741cifs: Fix use-after-free in rdata->read_into_pages()
CVE-2023-52743ice: Do not use WQ_MEM_RECLAIM flag for workqueue
CVE-2023-52746xfrm/compat: prevent potential spectre v1 gadget in xfrm_xlate32_attr()
CVE-2023-52747IB/hfi1: Restore allocated resources on failed copyout

Showing top 20 of 361 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2021-47296

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