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CVE-2022-49580— ipv4: Fix a data-race around sysctl_fib_multipath_use_neigh.

EPSS 0.01% · P1

Affected Version Matrix 12

VendorProductVersion RangeStatus
LinuxLinuxa6db4494d218c2e559173661ee972e048dc04fdd< 6727f39e99e0f545d815edebb6c94228485427ecaffected
a6db4494d218c2e559173661ee972e048dc04fdd< e045d672ba06e1d35bacb56374d350de0ac99066affected
a6db4494d218c2e559173661ee972e048dc04fdd< b8d345db03b4deffb4f04219a51d3b1e94171b76affected
a6db4494d218c2e559173661ee972e048dc04fdd< 14e996577ed2799a1ed6ffeb71c76d63acb28444affected
a6db4494d218c2e559173661ee972e048dc04fdd< 87507bcb4f5de16bb419e9509d874f4db6c0ad0faffected
4.7affected
< 4.7unaffected
5.4.208≤ 5.4.*unaffected
… +4 more rows
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I. Basic Information for CVE-2022-49580

Vulnerability Information
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Vulnerability Title
ipv4: Fix a data-race around sysctl_fib_multipath_use_neigh.
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ipv4: Fix a data-race around sysctl_fib_multipath_use_neigh. While reading sysctl_fib_multipath_use_neigh, it can be changed concurrently. Thus, we need to add READ_ONCE() to its reader.
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sysctl_fib_multipath_use_neigh存在数据竞争。
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 a6db4494d218c2e559173661ee972e048dc04fdd ~ 6727f39e99e0f545d815edebb6c94228485427ec -
LinuxLinux 4.7 -

II. Public POCs for CVE-2022-49580

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III. Intelligence Information for CVE-2022-49580

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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-2022-49580

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