Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2022-50114— net: 9p: fix refcount leak in p9_read_work() error handling

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9p网络协议在p9_read_work错误处理中未释放请求，可能导致引用计数泄漏。

AI Predicted 3.7 Difficulty: Hard EPSS 0.19% · P9

Possible ATT&CK Techniques 1 AI

T1135 · Network Share Discovery

Affected Version Matrix 14

VendorProduct Version RangeStatus
Linux Linux 728356dedeff8ef999cb436c71333ef4ac51a81c< 9bc63a124cc20a69a126e45e3d593d5807bb5258 affected
728356dedeff8ef999cb436c71333ef4ac51a81c< 8324649b0035cbb30ebc3ca901540cb392e89041 affected
728356dedeff8ef999cb436c71333ef4ac51a81c< 622f2a467bdfbce73fd43ea74b5f0fd2caaa8c5d affected
728356dedeff8ef999cb436c71333ef4ac51a81c< 34b9a188557c1d5a50e07cf228d054101aee0af3 affected
728356dedeff8ef999cb436c71333ef4ac51a81c< 4ac7573e1f9333073fa8d303acc941c9b7ab7f61 affected
3665a4d9dca1bd06bc34afb72e637fe01b2776ee affected
4.19.57< 4.20 affected
4.20 affected
… +6 more rows
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2022-50114

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
net: 9p: fix refcount leak in p9_read_work() error handling
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: net: 9p: fix refcount leak in p9_read_work() error handling p9_req_put need to be called when m->rreq->rc.sdata is NULL to avoid temporary refcount leak. [Dominique: commit wording adjustments, p9_req_put argument fixes for rebase]
Source: CVE Program / CVE List V5
CVSS Information
N/A
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9p网络协议在p9_read_work错误处理中未释放请求，可能导致引用计数泄漏。
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 728356dedeff8ef999cb436c71333ef4ac51a81c ~ 9bc63a124cc20a69a126e45e3d593d5807bb5258 -
Linux Linux 4.20 -

II. Public POCs for CVE-2022-50114

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2022-50114

请登录查看更多情报信息。

Patches & Fixes for CVE-2022-50114 (1)

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-2025-38052 8.8 HIGH net/tipc: fix slab-use-after-free Read in tipc_aead_encrypt_done
CVE-2022-50164 8.8 HIGH wifi: iwlwifi: mvm: fix double list_add at iwl_mvm_mac_wake_tx_queue
CVE-2025-38016 8.8 HIGH HID: bpf: abort dispatch if device destroyed
CVE-2022-49974 8.8 HIGH HID: nintendo: fix rumble worker null pointer deref
CVE-2025-38074 8.8 HIGH vhost-scsi: protect vq->log_used with vq->mutex
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-2022-50022 7.8 HIGH drivers:md:fix a potential use-after-free bug
CVE-2022-50028 7.8 HIGH gadgetfs: ep_io - wait until IRQ finishes
CVE-2022-49935 7.8 HIGH dma-buf/dma-resv: check if the new fence is really later
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-2025-38079 7.8 HIGH crypto: algif_hash - fix double free in hash_accept
CVE-2022-50099 7.8 HIGH video: fbdev: arkfb: Check the size of screen before memset_io()
CVE-2025-38062 7.8 HIGH genirq/msi: Store the IOMMU IOVA directly in msi_desc instead of iommu_cookie
CVE-2025-38060 7.8 HIGH bpf: copy_verifier_state() should copy 'loop_entry' field

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-2022-50114

No comments yet

Leave a comment