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CVE-2022-48774— dmaengine: ptdma: Fix the error handling path in pt_core_init()

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dmaengine模块中发现错误处理路径问题。在pt_core_init函数中，资源释放的顺序不正确。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.22% · P13

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 8

VendorProduct Version RangeStatus
Linux Linux fa5d823b16a9442d609617abeec31da8b6afa224< 3e41445287afa3cf6d572778e5aab31d25e60a8d affected
fa5d823b16a9442d609617abeec31da8b6afa224< d7de1e4820c5a42441ff7276174c8c0e63575c1b affected
fa5d823b16a9442d609617abeec31da8b6afa224< 3c62fd3406e0b2277c76a6984d3979c7f3f1d129 affected
5.15 affected
< 5.15 unaffected
5.15.25≤ 5.15.* unaffected
5.16.11≤ 5.16.* unaffected
5.17≤ * unaffected
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I. Basic Information for CVE-2022-48774

Vulnerability Information
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Vulnerability Title
dmaengine: ptdma: Fix the error handling path in pt_core_init()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: dmaengine: ptdma: Fix the error handling path in pt_core_init() In order to free resources correctly in the error handling path of pt_core_init(), 2 goto's have to be switched. Otherwise, some resources will leak and we will try to release things that have not been allocated yet. Also move a dev_err() to a place where it is more meaningful.
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dmaengine模块中发现错误处理路径问题。在pt_core_init函数中，资源释放的顺序不正确。
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 fa5d823b16a9442d609617abeec31da8b6afa224 ~ 3e41445287afa3cf6d572778e5aab31d25e60a8d -
Linux Linux 5.15 -

II. Public POCs for CVE-2022-48774

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III. Intelligence Information for CVE-2022-48774

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Other References for CVE-2022-48774 (3)

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-2022-48774

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