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CVE-2022-50777— net: phy: xgmiitorgmii: Fix refcount leak in xgmiitorgmii_probe

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，该漏洞源于未释放从of_phy_find_device获取的设备引用，可能导致引用计数泄漏。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.27% · P19

Possible ATT&CK Techniques 1 AI

T1496 · Resource Hijacking

Affected Version Matrix 23

VendorProduct Version RangeStatus
Linux Linux 3f7056e1822d648f8022997497edc6cad2ad1e73< 53526dbc8aa6b95e9fc2ab1e29b1a9145721da24 affected
ab4e6ee578e88a659938db8fbf33720bc048d29c< 78b0b1ff525d9be4babf5a148a4de0d50042d95d affected
ab4e6ee578e88a659938db8fbf33720bc048d29c< 00616bd1913a4f879679e02dc08c2f501ca2bd4c affected
ab4e6ee578e88a659938db8fbf33720bc048d29c< 106d0d33c9d1ec4ddeeffc1fdc717ff09953d4ed affected
ab4e6ee578e88a659938db8fbf33720bc048d29c< 4d112f001612c79927c1ecf29522b34c4fa292e0 affected
ab4e6ee578e88a659938db8fbf33720bc048d29c< 52841e71253e6ace72751c72560950474a57d04c affected
ab4e6ee578e88a659938db8fbf33720bc048d29c< ee84d37a5f08ed1121cdd16f8f3ed87552087a21 affected
ab4e6ee578e88a659938db8fbf33720bc048d29c< d039535850ee47079d59527e96be18d8e0daa84b affected
… +15 more rows
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I. Basic Information for CVE-2022-50777

Vulnerability Information
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Vulnerability Title
net: phy: xgmiitorgmii: Fix refcount leak in xgmiitorgmii_probe
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: net: phy: xgmiitorgmii: Fix refcount leak in xgmiitorgmii_probe of_phy_find_device() return device node with refcount incremented. Call put_device() to relese it when not needed anymore.
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，该漏洞源于未释放从of_phy_find_device获取的设备引用，可能导致引用计数泄漏。
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

Vendor Product Affected Versions CPE Subscribe
Linux Linux 3f7056e1822d648f8022997497edc6cad2ad1e73 ~ 53526dbc8aa6b95e9fc2ab1e29b1a9145721da24 -
Linux Linux 4.19 -

II. Public POCs for CVE-2022-50777

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III. Intelligence Information for CVE-2022-50777

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Other References for CVE-2022-50777 (2)

Same Patch Batch · Linux · 2025-12-24 · 322 CVEs total

CVE-2025-68741 9.8 CRITICAL scsi: qla2xxx: Fix improper freeing of purex item
CVE-2023-53867 9.8 CRITICAL ceph: fix potential use-after-free bug when trimming caps
CVE-2025-68726 9.8 CRITICAL crypto: aead - Fix reqsize handling
CVE-2025-68745 9.8 CRITICAL scsi: qla2xxx: Clear cmds after chip reset
CVE-2023-54094 9.8 CRITICAL net: prevent skb corruption on frag list segmentation
CVE-2023-54090 9.8 CRITICAL ixgbe: Fix panic during XDP_TX with > 64 CPUs
CVE-2023-54076 9.8 CRITICAL smb: client: fix missed ses refcounting
CVE-2022-50717 9.8 CRITICAL nvmet-tcp: add bounds check on Transfer Tag
CVE-2025-68359 9.8 CRITICAL btrfs: fix double free of qgroup record after failure to add delayed ref head
CVE-2023-53996 9.3 CRITICAL x86/sev: Make enc_dec_hypercall() accept a size instead of npages
CVE-2023-54071 8.8 HIGH wifi: rtw88: use work to update rate to avoid RCU warning
CVE-2023-54120 8.8 HIGH Bluetooth: Fix race condition in hidp_session_thread
CVE-2023-54043 8.8 HIGH iommufd: Do not add the same hwpt to the ioas->hwpt_list twice
CVE-2022-50732 8.8 HIGH staging: rtl8192u: Fix use after free in ieee80211_rx()
CVE-2023-54092 8.8 HIGH KVM: s390: pv: fix index value of replaced ASCE
CVE-2023-54060 8.8 HIGH iommufd: Set end correctly when doing batch carry
CVE-2025-68736 8.8 HIGH landlock: Fix handling of disconnected directories
CVE-2023-54040 8.8 HIGH ice: fix wrong fallback logic for FDIR
CVE-2023-53986 8.6 HIGH mips: bmips: BCM6358: disable RAC flush for TP1
CVE-2022-50746 8.4 HIGH erofs: validate the extent length for uncompressed pclusters

Showing top 20 of 322 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2022-50777

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