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CVE-2022-48773— xprtrdma: fix pointer derefs in error cases of rpcrdma_ep_create

Quick assessment

Affected
Linux Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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xprtrdma模块中发现指针解引用问题。在rpcrdma_ep_create的错误情况下，如果存在失败，则不能留下非空指针。

AI Predicted 4.4 Difficulty: Easy EPSS 0.25% · P16

Possible ATT&CK Techniques 1 AI

T1211 · Exploitation for Stealth

Affected Version Matrix 10

VendorProduct Version RangeStatus
Linux Linux 85cd8e2b78eea7374927750ffec60bf047f8f90b< 1e7433fb95ccc01629a5edaa4ced0cd8c98d0ae0 affected
85cd8e2b78eea7374927750ffec60bf047f8f90b< 9921c866dc369577c3ebb9adf2383b01b58c18de affected
85cd8e2b78eea7374927750ffec60bf047f8f90b< 2526d4d8b209dc5ac1fbeb468149774888b2a141 affected
85cd8e2b78eea7374927750ffec60bf047f8f90b< a9c10b5b3b67b3750a10c8b089b2e05f5e176e33 affected
5.7 affected
< 5.7 unaffected
5.10.102≤ 5.10.* unaffected
5.15.25≤ 5.15.* unaffected
… +2 more rows
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I. Basic Information for CVE-2022-48773

Vulnerability Information
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Vulnerability Title
xprtrdma: fix pointer derefs in error cases of rpcrdma_ep_create
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: xprtrdma: fix pointer derefs in error cases of rpcrdma_ep_create If there are failures then we must not leave the non-NULL pointers with the error value, otherwise `rpcrdma_ep_destroy` gets confused and tries free them, resulting in an Oops.
Source: CVE Program / CVE List V5
CVSS Information
N/A
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xprtrdma模块中发现指针解引用问题。在rpcrdma_ep_create的错误情况下，如果存在失败，则不能留下非空指针。
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

Vendor Product Affected Versions CPE Subscribe
Linux Linux 85cd8e2b78eea7374927750ffec60bf047f8f90b ~ 1e7433fb95ccc01629a5edaa4ced0cd8c98d0ae0 -
Linux Linux 5.7 -

II. Public POCs for CVE-2022-48773

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III. Intelligence Information for CVE-2022-48773

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Other References for CVE-2022-48773 (4)

Same Patch Batch · Linux · 2024-07-16 · 98 CVEs total

CVE-2022-48851 9.8 CRITICAL staging: gdm724x: fix use after free in gdm_lte_rx()
CVE-2022-48788 9.8 CRITICAL nvme-rdma: fix possible use-after-free in transport error_recovery work
CVE-2022-48789 9.8 CRITICAL nvme-tcp: fix possible use-after-free in transport error_recovery work
CVE-2022-48790 9.8 CRITICAL nvme: fix a possible use-after-free in controller reset during load
CVE-2022-48829 9.1 CRITICAL NFSD: Fix NFSv3 SETATTR/CREATE's handling of large file sizes
CVE-2022-48828 9.1 CRITICAL NFSD: Fix ia_size underflow
CVE-2022-48782 8.8 HIGH mctp: fix use after free
CVE-2022-48785 8.8 HIGH ipv6: mcast: use rcu-safe version of ipv6_get_lladdr()
CVE-2022-48830 8.8 HIGH can: isotp: fix potential CAN frame reception race in isotp_rcv()
CVE-2022-48864 8.8 HIGH vdpa/mlx5: add validation for VIRTIO_NET_CTRL_MQ_VQ_PAIRS_SET command
CVE-2022-48791 7.8 HIGH scsi: pm8001: Fix use-after-free for aborted TMF sas_task
CVE-2022-48792 7.8 HIGH scsi: pm8001: Fix use-after-free for aborted SSP/STP sas_task
CVE-2022-48796 7.8 HIGH iommu: Fix potential use-after-free during probe
CVE-2022-48787 7.8 HIGH iwlwifi: fix use-after-free
CVE-2022-48786 7.8 HIGH vsock: remove vsock from connected table when connect is interrupted by a signal
CVE-2022-48847 7.8 HIGH watch_queue: Fix filter limit check
CVE-2022-48779 7.8 HIGH net: mscc: ocelot: fix use-after-free in ocelot_vlan_del()
CVE-2022-48821 7.8 HIGH misc: fastrpc: avoid double fput() on failed usercopy
CVE-2022-48801 7.8 HIGH iio: buffer: Fix file related error handling in IIO_BUFFER_GET_FD_IOCTL
CVE-2022-48822 7.8 HIGH usb: f_fs: Fix use-after-free for epfile

Showing top 20 of 98 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2022-48773

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