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CVE-2022-49259— block: don't delete queue kobject before its children

AI Predicted 3.3 Difficulty: Moderate EPSS 0.01% · P1

Affected Version Matrix 16

VendorProductVersion RangeStatus
LinuxLinux2c2086afc2b8b974fac32cb028e73dc27bfae442< b2001eb10f59363da930cdd6e086a2861986fa18affected
2c2086afc2b8b974fac32cb028e73dc27bfae442< 84fe3ca6e7910beb47ec13509d484f84fa2a41adaffected
2c2086afc2b8b974fac32cb028e73dc27bfae442< 0b5924a14d64487ebd51127b0358d06066ef5384affected
2c2086afc2b8b974fac32cb028e73dc27bfae442< efaa0e969261e97c1fdd8e0338e5dd3ba5b9219caffected
2c2086afc2b8b974fac32cb028e73dc27bfae442< cf0cb8686e55d9c022944bc6ba9e19e832889e83affected
2c2086afc2b8b974fac32cb028e73dc27bfae442< 3d7e32c8da45957326f56937e0471c686d1a7711affected
2c2086afc2b8b974fac32cb028e73dc27bfae442< 0f69288253e9fc7c495047720e523b9f1aba5712affected
4.16affected
… +8 more rows
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I. Basic Information for CVE-2022-49259

Vulnerability Information
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Vulnerability Title
block: don't delete queue kobject before its children
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: block: don't delete queue kobject before its children kobjects aren't supposed to be deleted before their child kobjects are deleted. Apparently this is usually benign; however, a WARN will be triggered if one of the child kobjects has a named attribute group: sysfs group 'modes' not found for kobject 'crypto' WARNING: CPU: 0 PID: 1 at fs/sysfs/group.c:278 sysfs_remove_group+0x72/0x80 ... Call Trace: sysfs_remove_groups+0x29/0x40 fs/sysfs/group.c:312 __kobject_del+0x20/0x80 lib/kobject.c:611 kobject_cleanup+0xa4/0x140 lib/kobject.c:696 kobject_release lib/kobject.c:736 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0x53/0x70 lib/kobject.c:753 blk_crypto_sysfs_unregister+0x10/0x20 block/blk-crypto-sysfs.c:159 blk_unregister_queue+0xb0/0x110 block/blk-sysfs.c:962 del_gendisk+0x117/0x250 block/genhd.c:610 Fix this by moving the kobject_del() and the corresponding kobject_uevent() to the correct place.
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，该漏洞源于删除队列kobject前未删除其子kobject。
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 2c2086afc2b8b974fac32cb028e73dc27bfae442 ~ b2001eb10f59363da930cdd6e086a2861986fa18 -
LinuxLinux 4.16 -

II. Public POCs for CVE-2022-49259

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III. Intelligence Information for CVE-2022-49259

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Patches & Fixes for CVE-2022-49259 (7)

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-2022-49259

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