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CVE-2022-50762— fs/ntfs3: Avoid UBSAN error on true_sectors_per_clst()

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true_sectors_per_clst函数存在移位越界，可能导致未定义行为。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.26% · P17

Possible ATT&CK Techniques 1 AI

T1206

Affected Version Matrix 15

VendorProduct Version RangeStatus
Linux Linux 58cf68a1886d14ffdc5c892ce483a82156769e88< 4b51f27d4448c84957bce190292f75d4896d56b3 affected
a3b774342fa752a5290c0de36375289dfcf4a260< 8fe280ae85177c2323ae8c9849ff27a3a6b69506 affected
a3b774342fa752a5290c0de36375289dfcf4a260< 95afb464c86c6e9e95ea9e595282fa6f693072e8 affected
a3b774342fa752a5290c0de36375289dfcf4a260< caad9dd8792a2622737b7273cb34835fd9536cd2 affected
4746c49b11b2403f5b5b07c6eac9e60663dcd9a3 affected
a2b6986316a2d106f6951e76db70fa4b2fde64a9 affected
5.15.45< 5.15.86 affected
5.17.13< 5.18 affected
… +7 more rows
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I. Basic Information for CVE-2022-50762

Vulnerability Information
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Vulnerability Title
fs/ntfs3: Avoid UBSAN error on true_sectors_per_clst()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Avoid UBSAN error on true_sectors_per_clst() syzbot reported UBSAN error as below: [ 76.901829][ T6677] ================================================================================ [ 76.903908][ T6677] UBSAN: shift-out-of-bounds in fs/ntfs3/super.c:675:13 [ 76.905363][ T6677] shift exponent -247 is negative This patch avoid this error.
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true_sectors_per_clst函数存在移位越界，可能导致未定义行为。
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 58cf68a1886d14ffdc5c892ce483a82156769e88 ~ 4b51f27d4448c84957bce190292f75d4896d56b3 -
Linux Linux 5.19 -

II. Public POCs for CVE-2022-50762

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III. Intelligence Information for CVE-2022-50762

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Other References for CVE-2022-50762 (3)

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-2022-50762

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