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CVE-2022-49639— cipso: Fix data-races around sysctl.

EPSS 0.03% · P9

Affected Version Matrix 18

VendorProductVersion RangeStatus
LinuxLinux446fda4f26822b2d42ab3396aafcedf38a9ff2b6< 2764f82bbc158d106693ae3ced3675cf4b963b35affected
446fda4f26822b2d42ab3396aafcedf38a9ff2b6< c321e99d2725d11f7e6a4ebd9ce752259f0bae81affected
446fda4f26822b2d42ab3396aafcedf38a9ff2b6< ca26ca5e2f3eeb3e6fe699cd6effa3b4b2aa8698affected
446fda4f26822b2d42ab3396aafcedf38a9ff2b6< 0e41a0f73ccb9be112a80bde3804a771633caaefaffected
446fda4f26822b2d42ab3396aafcedf38a9ff2b6< fe2a35fa2c4f9c8ce5ef970eb927031387f9446aaffected
446fda4f26822b2d42ab3396aafcedf38a9ff2b6< 07b0caf8aeb9b82e6ecc6c292a3e47c7fcdb1148affected
446fda4f26822b2d42ab3396aafcedf38a9ff2b6< 59e26906b89cc35bb54476498772b45cbc32323faffected
446fda4f26822b2d42ab3396aafcedf38a9ff2b6< dd44f04b9214adb68ef5684ae87a81ba03632250affected
… +10 more rows
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I. Basic Information for CVE-2022-49639

Vulnerability Information
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Vulnerability Title
cipso: Fix data-races around sysctl.
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: cipso: Fix data-races around sysctl. While reading cipso sysctl variables, they can be changed concurrently. So, we need to add READ_ONCE() to avoid data-races.
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cipso sysctl变量的数据竞争。
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 446fda4f26822b2d42ab3396aafcedf38a9ff2b6 ~ 2764f82bbc158d106693ae3ced3675cf4b963b35 -
LinuxLinux 2.6.19 -

II. Public POCs for CVE-2022-49639

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III. Intelligence Information for CVE-2022-49639

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

CVE-2022-49496media: mediatek: vcodec: prevent kernel crash when rmmod mtk-vcodec-dec.ko
CVE-2022-49487mtd: rawnand: intel: fix possible null-ptr-deref in ebu_nand_probe()
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-2022-49503ath9k_htc: fix potential out of bounds access with invalid rxstatus->rs_keyix
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-2022-49502media: rga: fix possible memory leak in rga_probe
CVE-2022-49499drm/msm: Fix null pointer dereferences without iommu
CVE-2022-49498ALSA: pcm: Check for null pointer of pointer substream before dereferencing it

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

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2022-49639

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