Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2021-47378— nvme-rdma: destroy cm id before destroy qp to avoid use after free

CVSS 9.8 · Critical EPSS 1.17% · P65

Affected Version Matrix 8

VendorProductVersion RangeStatus
LinuxLinux7110230719602852481c2793d054f866b2bf4a2b< ecf0dc5a904830c926a64feffd8e01141f89822faffected
7110230719602852481c2793d054f866b2bf4a2b< d268a182c56e8361e19fb781137411643312b994affected
7110230719602852481c2793d054f866b2bf4a2b< 9817d763dbe15327b9b3ff4404fa6f27f927e744affected
4.8affected
< 4.8unaffected
5.10.70≤ 5.10.*unaffected
5.14.9≤ 5.14.*unaffected
5.15≤ *unaffected
Get alerts for future matching vulnerabilitiesLog in to subscribe

I. Basic Information for CVE-2021-47378

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
nvme-rdma: destroy cm id before destroy qp to avoid use after free
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: nvme-rdma: destroy cm id before destroy qp to avoid use after free We should always destroy cm_id before destroy qp to avoid to get cma event after qp was destroyed, which may lead to use after free. In RDMA connection establishment error flow, don't destroy qp in cm event handler.Just report cm_error to upper level, qp will be destroy in nvme_rdma_alloc_queue() after destroy cm id.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
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，该漏洞源于内存释放后重用。
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 7110230719602852481c2793d054f866b2bf4a2b ~ ecf0dc5a904830c926a64feffd8e01141f89822f -
LinuxLinux 4.8 -

II. Public POCs for CVE-2021-47378

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2021-47378

请登录查看更多情报信息。

Other References for CVE-2021-47378 (3)

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

CVE-2023-527329.8 CRITICALceph: blocklist the kclient when receiving corrupted snap trace
CVE-2023-527559.8 CRITICALksmbd: fix slab out of bounds write in smb_inherit_dacl()
CVE-2021-473289.8 CRITICALscsi: iscsi: Fix conn use after free during resets
CVE-2021-472329.8 CRITICALcan: j1939: fix Use-after-Free, hold skb ref while in use
CVE-2023-527419.8 CRITICALcifs: Fix use-after-free in rdata->read_into_pages()
CVE-2021-474279.8 CRITICALscsi: iscsi: Fix iscsi_task use after free
CVE-2023-527768.8 HIGHwifi: ath12k: fix dfs-radar and temperature event locking
CVE-2021-473088.8 HIGHscsi: libfc: Fix array index out of bound exception
CVE-2023-528018.8 HIGHiommufd: Fix missing update of domains_itree after splitting iopt_area
CVE-2021-473888.8 HIGHmac80211: fix use-after-free in CCMP/GCMP RX
CVE-2023-527988.8 HIGHwifi: ath11k: fix dfs radar event locking
CVE-2021-473908.8 HIGHKVM: x86: Fix stack-out-of-bounds memory access from ioapic_write_indirect()
CVE-2023-527908.8 HIGHswiotlb: fix out-of-bounds TLB allocations with CONFIG_SWIOTLB_DYNAMIC
CVE-2023-528468.8 HIGHhsr: Prevent use after free in prp_create_tagged_frame()
CVE-2023-527698.8 HIGHwifi: ath12k: fix htt mlo-offset event locking
CVE-2021-472408.4 HIGHnet: qrtr: fix OOB Read in qrtr_endpoint_post
CVE-2021-473528.4 HIGHvirtio-net: Add validation for used length
CVE-2023-528298.4 HIGHwifi: ath12k: fix possible out-of-bound write in ath12k_wmi_ext_hal_reg_caps()
CVE-2021-472458.2 HIGHnetfilter: synproxy: Fix out of bounds when parsing TCP options
CVE-2021-472448.2 HIGHmptcp: Fix out of bounds when parsing TCP options

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-2021-47378

No comments yet

Leave a comment