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CVE-2022-49485— drm/v3d: Fix null pointer dereference of pointer perfmon

AI Predicted 5.5 Difficulty: Moderate EPSS 0.14% · P34

Affected Version Matrix 10

VendorProductVersion RangeStatus
LinuxLinux26a4dc29b74a137f45665089f6d3d633fcc9b662< 4be045434923e549a50846a066a04b7b6c1d6d33affected
26a4dc29b74a137f45665089f6d3d633fcc9b662< 1df8f8901babcc8c8eea2c067179e455b5c828fdaffected
26a4dc29b74a137f45665089f6d3d633fcc9b662< 3b72deb784a7d4ae8519a5c584cd87c4b57aa6c8affected
26a4dc29b74a137f45665089f6d3d633fcc9b662< ce7a1ecf3f9f1fccaf67295307614511d8e11b13affected
5.15affected
< 5.15unaffected
5.15.46≤ 5.15.*unaffected
5.17.14≤ 5.17.*unaffected
… +2 more rows
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I. Basic Information for CVE-2022-49485

Vulnerability Information

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Vulnerability Title
drm/v3d: Fix null pointer dereference of pointer perfmon
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: drm/v3d: Fix null pointer dereference of pointer perfmon In the unlikely event that pointer perfmon is null the WARN_ON return path occurs after the pointer has already been deferenced. Fix this by only dereferencing perfmon after it has been null checked.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
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drm/v3d中在perfmon为空时取消引用指针。
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

VendorProductAffected VersionsCPESubscribe
LinuxLinux 26a4dc29b74a137f45665089f6d3d633fcc9b662 ~ 4be045434923e549a50846a066a04b7b6c1d6d33 -
LinuxLinux 5.15 -

II. Public POCs for CVE-2022-49485

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III. Intelligence Information for CVE-2022-49485

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Patches & Fixes for CVE-2022-49485 (4)

Same Patch Batch · Linux · 2025-02-26 · 706 CVEs total

CVE-2022-49498ALSA: pcm: Check for null pointer of pointer substream before dereferencing it
CVE-2022-49486ASoC: fsl: Fix refcount leak in imx_sgtl5000_probe
CVE-2022-49488drm/msm/mdp5: Return error code in mdp5_mixer_release when deadlock is detected
CVE-2022-49489drm/msm/disp/dpu1: set vbif hw config to NULL to avoid use after memory free during pm run
CVE-2022-49490drm/msm/mdp5: Return error code in mdp5_pipe_release when deadlock is detected
CVE-2022-49491drm/rockchip: vop: fix possible null-ptr-deref in vop_bind()
CVE-2022-49492nvme-pci: fix a NULL pointer dereference in nvme_alloc_admin_tags
CVE-2022-49493ASoC: rt5645: Fix errorenous cleanup order
CVE-2022-49494mtd: rawnand: cadence: fix possible null-ptr-deref in cadence_nand_dt_probe()
CVE-2022-49495drm/msm/hdmi: check return value after calling platform_get_resource_byname()
CVE-2022-49497net: remove two BUG() from skb_checksum_help()
CVE-2022-49496media: mediatek: vcodec: prevent kernel crash when rmmod mtk-vcodec-dec.ko
CVE-2022-49502media: rga: fix possible memory leak in rga_probe
CVE-2022-49507regulator: da9121: Fix uninit-value in da9121_assign_chip_model()
CVE-2022-49508HID: elan: Fix potential double free in elan_input_configured
CVE-2022-49506drm/mediatek: Add vblank register/unregister callback functions
CVE-2022-49504scsi: lpfc: Inhibit aborts if external loopback plug is inserted
CVE-2022-49505NFC: NULL out the dev->rfkill to prevent UAF
CVE-2022-49501usbnet: Run unregister_netdev() before unbind() again
CVE-2022-49500wl1251: dynamically allocate memory used for DMA

Showing top 20 of 706 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

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