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CVE-2022-49097— NFS: Avoid writeback threads getting stuck in mempool_alloc()

AI Predicted 5.3 Difficulty: Moderate EPSS 0.01% · P1

Affected Version Matrix 12

VendorProductVersion RangeStatus
LinuxLinux2b17d725f9be59a1bfa0583af690c463fca1f385< c74e2f6ecc51bd08bb5b0335477dba954a50592eaffected
2b17d725f9be59a1bfa0583af690c463fca1f385< ea029e4ce760f786919d06ef52efa2e50ea92a5faffected
2b17d725f9be59a1bfa0583af690c463fca1f385< 1b3fa9a3c420c31e77b406ddc28f3a627100516caffected
2b17d725f9be59a1bfa0583af690c463fca1f385< a6caeddd68977a1aaaf62fbd1955b41dd5c3c5d3affected
2b17d725f9be59a1bfa0583af690c463fca1f385< 0bae835b63c53f86cdc524f5962e39409585b22caffected
5.3affected
< 5.3unaffected
5.10.111≤ 5.10.*unaffected
… +4 more rows
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I. Basic Information for CVE-2022-49097

Vulnerability Information
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Vulnerability Title
NFS: Avoid writeback threads getting stuck in mempool_alloc()
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: NFS: Avoid writeback threads getting stuck in mempool_alloc() In a low memory situation, allow the NFS writeback code to fail without getting stuck in infinite loops in mempool_alloc().
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NFS写回代码在低内存情况下可能陷入mempool_alloc的无限循环。
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 2b17d725f9be59a1bfa0583af690c463fca1f385 ~ c74e2f6ecc51bd08bb5b0335477dba954a50592e -
LinuxLinux 5.3 -

II. Public POCs for CVE-2022-49097

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III. Intelligence Information for CVE-2022-49097

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Patches & Fixes for CVE-2022-49097 (5)

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

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2022-49097

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