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CVE-2021-47373— irqchip/gic-v3-its: Fix potential VPE leak on error

AI Predicted 5.5 Difficulty: Moderate EPSS 0.01% · P1

Affected Version Matrix 14

VendorProductVersion RangeStatus
LinuxLinux7d75bbb4bc1ad90386776459d37e4ddfe605671e< 7d39992d45acd6f2d6b2f62389c55b61fb3d486baffected
7d75bbb4bc1ad90386776459d37e4ddfe605671e< 5701e8bff314c155e7afdc467b1e0389d86853d0affected
7d75bbb4bc1ad90386776459d37e4ddfe605671e< 42d3711c23781045e7a5cd28536c774b9a66d20baffected
7d75bbb4bc1ad90386776459d37e4ddfe605671e< 568662e37f927e3dc3e475f3ff7cf4ab7719c5e7affected
7d75bbb4bc1ad90386776459d37e4ddfe605671e< e0c1c2e5da19685a20557a50f10c6aa4fa26aa84affected
7d75bbb4bc1ad90386776459d37e4ddfe605671e< 280bef512933b2dda01d681d8cbe499b98fc5bddaffected
4.14affected
< 4.14unaffected
… +6 more rows
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I. Basic Information for CVE-2021-47373

Vulnerability Information
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Vulnerability Title
irqchip/gic-v3-its: Fix potential VPE leak on error
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: irqchip/gic-v3-its: Fix potential VPE leak on error In its_vpe_irq_domain_alloc, when its_vpe_init() returns an error, there is an off-by-one in the number of VPEs to be freed. Fix it by simply passing the number of VPEs allocated, which is the index of the loop iterating over the VPEs. [maz: fixed commit message]
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VPE 错误泄漏。
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 7d75bbb4bc1ad90386776459d37e4ddfe605671e ~ 7d39992d45acd6f2d6b2f62389c55b61fb3d486b -
LinuxLinux 4.14 -

II. Public POCs for CVE-2021-47373

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III. Intelligence Information for CVE-2021-47373

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Other References for CVE-2021-47373 (6)

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-2021-47373

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