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CVE-2021-47319— virtio-blk: Fix memory leak among suspend/resume procedure

EPSS 0.01% · P1

Affected Version Matrix 20

VendorProductVersion RangeStatus
LinuxLinux6a27b656fc0210e976db362e1368c56db05c8f08< 381bde79d11e596002edfd914e6714291826967aaffected
6a27b656fc0210e976db362e1368c56db05c8f08< 102d6bc6475ab09bab579c18704e6cf8d898e93caffected
6a27b656fc0210e976db362e1368c56db05c8f08< 863da837964c80c72e368a4f748c30d25daa1815affected
6a27b656fc0210e976db362e1368c56db05c8f08< 600942d2fd49b90e44857d20c774b20d16f3130faffected
6a27b656fc0210e976db362e1368c56db05c8f08< 04c6e60b884cb5e94ff32af46867fb41d5848358affected
6a27b656fc0210e976db362e1368c56db05c8f08< cd24da0db9f75ca11eaf6060f0ccb90e2f3be3b0affected
6a27b656fc0210e976db362e1368c56db05c8f08< ca2b8ae93a6da9839dc7f9eb9199b18aa03c3daeaffected
6a27b656fc0210e976db362e1368c56db05c8f08< 29a2f4a3214aa14d61cc9737c9f886dae9dbb710affected
… +12 more rows
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I. Basic Information for CVE-2021-47319

Vulnerability Information
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Vulnerability Title
virtio-blk: Fix memory leak among suspend/resume procedure
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: virtio-blk: Fix memory leak among suspend/resume procedure The vblk->vqs should be freed before we call init_vqs() in virtblk_restore().
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。攻击者利用该漏洞导致内存泄漏。
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 6a27b656fc0210e976db362e1368c56db05c8f08 ~ 381bde79d11e596002edfd914e6714291826967a -
LinuxLinux 3.17 -

II. Public POCs for CVE-2021-47319

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III. Intelligence Information for CVE-2021-47319

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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-2021-47319

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