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CVE-2022-48851— staging: gdm724x: fix use after free in gdm_lte_rx()

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staging:gdm724x模块中发现内存使用后释放问题。netif_rx_ni函数释放了skb，因此不能对其进行解引用以保存skb-len。

CVSS 9.8 · Critical EPSS 0.51% · P41

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux 61e121047645122c47714fcda684d0ee67f444af< 6dc7b87c62423bfa68139fe95e85028aab584c9a affected
61e121047645122c47714fcda684d0ee67f444af< 83a9c886c2b5a0d28c0b37e1736b47f38d61332a affected
61e121047645122c47714fcda684d0ee67f444af< 48ecdf3e29a6e514e8196691589c7dfc6c4ac169 affected
61e121047645122c47714fcda684d0ee67f444af< 403e3afe241b62401de1f8629c9c6b9b3d69dbff affected
61e121047645122c47714fcda684d0ee67f444af< 6d9700b445098dbbce0caff4b8cfca214cf1e757 affected
61e121047645122c47714fcda684d0ee67f444af< 1fb9dd3787495b4deb0efe66c58306b65691a48f affected
61e121047645122c47714fcda684d0ee67f444af< d39dc79513e99147b4c158a8a9e46743e23944f5 affected
61e121047645122c47714fcda684d0ee67f444af< fc7f750dc9d102c1ed7bbe4591f991e770c99033 affected
… +10 more rows
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I. Basic Information for CVE-2022-48851

Vulnerability Information
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Vulnerability Title
staging: gdm724x: fix use after free in gdm_lte_rx()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: staging: gdm724x: fix use after free in gdm_lte_rx() The netif_rx_ni() function frees the skb so we can't dereference it to save the skb->len.
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staging:gdm724x模块中发现内存使用后释放问题。netif_rx_ni函数释放了skb，因此不能对其进行解引用以保存skb-len。
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 61e121047645122c47714fcda684d0ee67f444af ~ 6dc7b87c62423bfa68139fe95e85028aab584c9a -
Linux Linux 3.12 -

II. Public POCs for CVE-2022-48851

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III. Intelligence Information for CVE-2022-48851

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Other References for CVE-2022-48851 (8)

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

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-2022-48864 8.8 HIGH vdpa/mlx5: add validation for VIRTIO_NET_CTRL_MQ_VQ_PAIRS_SET command
CVE-2022-48830 8.8 HIGH can: isotp: fix potential CAN frame reception race in isotp_rcv()
CVE-2022-48785 8.8 HIGH ipv6: mcast: use rcu-safe version of ipv6_get_lladdr()
CVE-2022-48782 8.8 HIGH mctp: fix use after free
CVE-2022-48847 7.8 HIGH watch_queue: Fix filter limit check
CVE-2022-48786 7.8 HIGH vsock: remove vsock from connected table when connect is interrupted by a signal
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-2024-41008 7.8 HIGH drm/amdgpu: change vm->task_info handling
CVE-2022-48801 7.8 HIGH iio: buffer: Fix file related error handling in IIO_BUFFER_GET_FD_IOCTL
CVE-2022-48839 7.8 HIGH net/packet: fix slab-out-of-bounds access in packet_recvmsg()
CVE-2022-48816 7.8 HIGH SUNRPC: lock against ->sock changing during sysfs read
CVE-2022-48821 7.8 HIGH misc: fastrpc: avoid double fput() on failed usercopy
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-2022-48851

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