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CVE-2022-50022— drivers:md:fix a potential use-after-free bug

Quick assessment

Affected
Linux Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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raid5_release_stripe函数释放后重用问题。

CVSS 7.8 · High EPSS 0.26% · P16

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux 59fc630b8b5f9f21c8ce3ba153341c107dce1b0c< 7470a4314b239e9a9580f248fdf4c9a92805490e affected
59fc630b8b5f9f21c8ce3ba153341c107dce1b0c< 09cf99bace7789d91caa8d10fbcfc8b2fb35857f affected
59fc630b8b5f9f21c8ce3ba153341c107dce1b0c< e5b3dd2d92c4511e81f6e4ec9c5bb7ad25e03d13 affected
59fc630b8b5f9f21c8ce3ba153341c107dce1b0c< f5d46f1b47f65da1faf468277b261eb78c8e25b5 affected
59fc630b8b5f9f21c8ce3ba153341c107dce1b0c< 5d8325fd15892c8ab1146edc1d7ed8463de39636 affected
59fc630b8b5f9f21c8ce3ba153341c107dce1b0c< d9b94c3ace549433de8a93eeb27b0391fc8ac406 affected
59fc630b8b5f9f21c8ce3ba153341c107dce1b0c< eb3a4f73f43f839df981dda5859e8e075067a360 affected
59fc630b8b5f9f21c8ce3ba153341c107dce1b0c< 104212471b1c1817b311771d817fb692af983173 affected
… +10 more rows
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I. Basic Information for CVE-2022-50022

Vulnerability Information
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Vulnerability Title
drivers:md:fix a potential use-after-free bug
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: drivers:md:fix a potential use-after-free bug In line 2884, "raid5_release_stripe(sh);" drops the reference to sh and may cause sh to be released. However, sh is subsequently used in lines 2886 "if (sh->batch_head && sh != sh->batch_head)". This may result in an use-after-free bug. It can be fixed by moving "raid5_release_stripe(sh);" to the bottom of the function.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
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raid5_release_stripe函数释放后重用问题。
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

Vendor Product Affected Versions CPE Subscribe
Linux Linux 59fc630b8b5f9f21c8ce3ba153341c107dce1b0c ~ 7470a4314b239e9a9580f248fdf4c9a92805490e -
Linux Linux 4.1 -

II. Public POCs for CVE-2022-50022

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III. Intelligence Information for CVE-2022-50022

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Same Patch Batch · Linux · 2025-06-18 · 362 CVEs total

CVE-2025-38075 9.8 CRITICAL scsi: target: iscsi: Fix timeout on deleted connection
CVE-2022-50098 8.8 HIGH scsi: qla2xxx: Fix crash due to stale SRB access around I/O timeouts
CVE-2022-49934 8.8 HIGH wifi: mac80211: Fix UAF in ieee80211_scan_rx()
CVE-2022-50164 8.8 HIGH wifi: iwlwifi: mvm: fix double list_add at iwl_mvm_mac_wake_tx_queue
CVE-2025-38074 8.8 HIGH vhost-scsi: protect vq->log_used with vq->mutex
CVE-2022-49974 8.8 HIGH HID: nintendo: fix rumble worker null pointer deref
CVE-2025-38016 8.8 HIGH HID: bpf: abort dispatch if device destroyed
CVE-2025-38052 8.8 HIGH net/tipc: fix slab-use-after-free Read in tipc_aead_encrypt_done
CVE-2022-49968 8.0 HIGH ieee802154/adf7242: defer destroy_workqueue call
CVE-2022-49939 7.8 HIGH binder: fix UAF of ref->proc caused by race condition
CVE-2022-50101 7.8 HIGH video: fbdev: vt8623fb: Check the size of screen before memset_io()
CVE-2022-49935 7.8 HIGH dma-buf/dma-resv: check if the new fence is really later
CVE-2022-49948 7.8 HIGH vt: Clear selection before changing the font
CVE-2025-38082 7.8 HIGH gpio: virtuser: fix potential out-of-bound write
CVE-2022-50182 7.8 HIGH media: imx-jpeg: Align upwards buffer size
CVE-2025-38080 7.8 HIGH drm/amd/display: Increase block_sequence array size
CVE-2025-38058 7.8 HIGH __legitimize_mnt(): check for MNT_SYNC_UMOUNT should be under mount_lock
CVE-2025-38079 7.8 HIGH crypto: algif_hash - fix double free in hash_accept
CVE-2025-38065 7.8 HIGH orangefs: Do not truncate file size
CVE-2025-38068 7.8 HIGH crypto: lzo - Fix compression buffer overrun

Showing top 20 of 362 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2022-50022

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