CVE-2022-50440— drm/vmwgfx: Validate the box size for the snooped cursor
Possible ATT&CK Techniques 1AI
T1203 · Exploitation for Client ExecutionAffected Version Matrix 20
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 2ac863719e518ae1a8f328849e64ea26a222f079< ee8d31836cbe7c26e207bfa0a4a726f0a25cfcf6 | affected |
2ac863719e518ae1a8f328849e64ea26a222f079< 50d177f90b63ea4138560e500d92be5e4c928186 | affected | ||
2ac863719e518ae1a8f328849e64ea26a222f079< 6b4e70a428b5a11f56db94047b68e144529fe512 | affected | ||
2ac863719e518ae1a8f328849e64ea26a222f079< 94b283341f9f3f0ed56a360533766377a01540e0 | affected | ||
2ac863719e518ae1a8f328849e64ea26a222f079< 439cbbc1519547f9a7b483f0de33b556ebfec901 | affected | ||
2ac863719e518ae1a8f328849e64ea26a222f079< 6948e570f54f2044dd4da444b10471373a047eeb | affected | ||
2ac863719e518ae1a8f328849e64ea26a222f079< 4d54d11b49860686331c58a00f733b16a93edfc4 | affected | ||
2ac863719e518ae1a8f328849e64ea26a222f079< 622d527decaac0eb65512acada935a0fdc1d0202 | affected | ||
| … +12 more rows | |||
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I. Basic Information for CVE-2022-50440
Vulnerability Information
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Vulnerability Title
drm/vmwgfx: Validate the box size for the snooped cursor
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Validate the box size for the snooped cursor Invalid userspace dma surface copies could potentially overflow the memcpy from the surface to the snooped image leading to crashes. To fix it the dimensions of the copybox have to be validated against the expected size of the snooped cursor.
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，该漏洞源于未验证复制框尺寸，可能导致内存复制溢出。
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
II. Public POCs for CVE-2022-50440
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Linux · 2025-10-01 · 169 CVEs total
| CVE-2025-39919 | 8.8 HIGH | wifi: mt76: mt7996: add missing check for rx wcid entries |
| CVE-2025-39918 | 8.8 HIGH | wifi: mt76: fix linked list corruption |
| CVE-2025-39896 | 7.8 HIGH | accel/ivpu: Prevent recovery work from being queued during device removal |
| CVE-2025-39924 | 7.8 HIGH | erofs: fix invalid algorithm for encoded extents |
| CVE-2025-39927 | 7.8 HIGH | ceph: fix race condition validating r_parent before applying state |
| CVE-2025-39906 | 7.8 HIGH | drm/amd/display: remove oem i2c adapter on finish |
| CVE-2025-39908 | 7.8 HIGH | net: dev_ioctl: take ops lock in hwtstamp lower paths |
| CVE-2025-39894 | 7.5 HIGH | netfilter: br_netfilter: do not check confirmed bit in br_nf_local_in() after confirm |
| CVE-2025-39897 | 7.5 HIGH | net: xilinx: axienet: Add error handling for RX metadata pointer retrieval |
| CVE-2025-39902 | 7.1 HIGH | mm/slub: avoid accessing metadata when pointer is invalid in object_err() |
| CVE-2025-39928 | 7.1 HIGH | i2c: rtl9300: ensure data length is within supported range |
| CVE-2022-50465 | ext4: fix leaking uninitialized memory in fast-commit journal | |
| CVE-2022-50456 | btrfs: fix resolving backrefs for inline extent followed by prealloc | |
| CVE-2022-50458 | clk: tegra: Fix refcount leak in tegra210_clock_init | |
| CVE-2022-50460 | cifs: Fix xid leak in cifs_flock() | |
| CVE-2022-50459 | scsi: iscsi: iscsi_tcp: Fix null-ptr-deref while calling getpeername() | |
| CVE-2022-50461 | net: ethernet: ti: am65-cpsw: Fix PM runtime leakage in am65_cpsw_nuss_ndo_slave_open() | |
| CVE-2022-50462 | MIPS: vpe-mt: fix possible memory leak while module exiting | |
| CVE-2023-53490 | mptcp: fix disconnect vs accept race | |
| CVE-2023-53489 | tcp/udp: Fix memleaks of sk and zerocopy skbs with TX timestamp. |
Showing top 20 of 169 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Linux
- CVE-2022-4994
KVM: x86: wean fast IN from emulator_pio_in - CVE-2026-64560
posix-cpu-timers: Prevent UAF caused by non-leader exec() ra - CVE-2026-64559
s390/pkey: Check length in PKEY_VERIFYPROTK ioctl - CVE-2026-64558
s390/pkey: Check length in pkey_pckmo handler implementation - CVE-2026-64556
perf/core: Detach event groups during remove_on_exec
Same vendor: Linux
- CVE-2022-4994
KVM: x86: wean fast IN from emulator_pio_in - CVE-2026-64560
posix-cpu-timers: Prevent UAF caused by non-leader exec() ra - CVE-2026-64559
s390/pkey: Check length in PKEY_VERIFYPROTK ioctl - CVE-2026-64558
s390/pkey: Check length in pkey_pckmo handler implementation - CVE-2026-64556
perf/core: Detach event groups during remove_on_exec
V. Comments for CVE-2022-50440
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