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CVE-2022-48686— nvme-tcp: fix UAF when detecting digest errors

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，该漏洞源于存在释放后重用漏洞。

CVSS 9.8 · Critical EPSS 0.70% · P52

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 12

VendorProduct Version RangeStatus
Linux Linux 3f2304f8c6d6ed97849057bd16fee99e434ca796< 19816a0214684f70b49b25075ff8c402fdd611d3 affected
3f2304f8c6d6ed97849057bd16fee99e434ca796< 5914fa32ef1b7766fea933f9eed94ac5c00aa7ff affected
3f2304f8c6d6ed97849057bd16fee99e434ca796< 13c80a6c112467bab5e44d090767930555fc17a5 affected
3f2304f8c6d6ed97849057bd16fee99e434ca796< c3eb461aa56e6fa94fb80442ba2586bd223a8886 affected
3f2304f8c6d6ed97849057bd16fee99e434ca796< 160f3549a907a50e51a8518678ba2dcf2541abea affected
5.0 affected
< 5.0 unaffected
5.4.213≤ 5.4.* unaffected
… +4 more rows
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I. Basic Information for CVE-2022-48686

Vulnerability Information
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Vulnerability Title
nvme-tcp: fix UAF when detecting digest errors
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: nvme-tcp: fix UAF when detecting digest errors We should also bail from the io_work loop when we set rd_enabled to true, so we don't attempt to read data from the socket when the TCP stream is already out-of-sync or corrupted.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/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，该漏洞源于存在释放后重用漏洞。
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 3f2304f8c6d6ed97849057bd16fee99e434ca796 ~ 19816a0214684f70b49b25075ff8c402fdd611d3 -
Linux Linux 5.0 -

II. Public POCs for CVE-2022-48686

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III. Intelligence Information for CVE-2022-48686

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Other References for CVE-2022-48686 (5)

Same Patch Batch · Linux · 2024-05-03 · 25 CVEs total

CVE-2022-48673 9.8 CRITICAL net/smc: Fix possible access to freed memory in link clear
CVE-2022-48697 9.8 CRITICAL nvmet: fix a use-after-free
CVE-2022-48674 7.8 HIGH erofs: fix pcluster use-after-free on UP platforms
CVE-2022-48695 7.8 HIGH scsi: mpt3sas: Fix use-after-free warning
CVE-2022-48702 7.8 HIGH ALSA: emu10k1: Fix out of bounds access in snd_emu10k1_pcm_channel_alloc()
CVE-2022-48692 7.5 HIGH RDMA/srp: Set scmnd->result only when scmnd is not NULL
CVE-2022-48694 7.5 HIGH RDMA/irdma: Fix drain SQ hang with no completion
CVE-2022-48696 7.1 HIGH regmap: spi: Reserve space for register address/padding
CVE-2022-48705 wifi: mt76: mt7921e: fix crash in chip reset fail
CVE-2022-48670 peci: cpu: Fix use-after-free in adev_release()
CVE-2022-48704 drm/radeon: add a force flush to delay work when radeon
CVE-2022-48690 ice: Fix DMA mappings leak
CVE-2022-48703 thermal/int340x_thermal: handle data_vault when the value is ZERO_SIZE_PTR
CVE-2022-48701 ALSA: usb-audio: Fix an out-of-bounds bug in __snd_usb_parse_audio_interface()
CVE-2022-48699 sched/debug: fix dentry leak in update_sched_domain_debugfs
CVE-2022-48698 drm/amd/display: fix memory leak when using debugfs_lookup()
CVE-2022-48693 soc: brcmstb: pm-arm: Fix refcount leak and __iomem leak bugs
CVE-2022-48691 netfilter: nf_tables: clean up hook list when offload flags check fails
CVE-2022-48689 tcp: TX zerocopy should not sense pfmemalloc status
CVE-2022-48688 i40e: Fix kernel crash during module removal

Showing top 20 of 25 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2022-48686

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