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CVE-2022-48693— soc: brcmstb: pm-arm: Fix refcount leak and __iomem leak bugs

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refcount泄漏和__iomem泄漏漏洞。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.23% · P14

Possible ATT&CK Techniques 1 AI

T1055.001 · Dynamic-link Library Injection

Affected Version Matrix 14

VendorProduct Version RangeStatus
Linux Linux 0b741b8234c86065fb6954d32d427b3f7e14756f< 0284b4e6dec6088a41607aa3f42bf51edff01883 affected
0b741b8234c86065fb6954d32d427b3f7e14756f< 57b2897ec3ffe4cbe018446be6d04432919dca6b affected
0b741b8234c86065fb6954d32d427b3f7e14756f< 6dc0251638a4a1a998506dbd4627f8317e907558 affected
0b741b8234c86065fb6954d32d427b3f7e14756f< 43245c77d9efd8c9eb91bf225d07954dcf32204d affected
0b741b8234c86065fb6954d32d427b3f7e14756f< 653500b400d5576940b7429690f7197199ddcc82 affected
0b741b8234c86065fb6954d32d427b3f7e14756f< 1085f5080647f0c9f357c270a537869191f7f2a1 affected
4.15 affected
< 4.15 unaffected
… +6 more rows
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I. Basic Information for CVE-2022-48693

Vulnerability Information
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Vulnerability Title
soc: brcmstb: pm-arm: Fix refcount leak and __iomem leak bugs
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: soc: brcmstb: pm-arm: Fix refcount leak and __iomem leak bugs In brcmstb_pm_probe(), there are two kinds of leak bugs: (1) we need to add of_node_put() when for_each__matching_node() breaks (2) we need to add iounmap() for each iomap in fail path
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，该漏洞源于存在refcount泄漏和__iomem泄漏漏洞。
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 0b741b8234c86065fb6954d32d427b3f7e14756f ~ 0284b4e6dec6088a41607aa3f42bf51edff01883 -
Linux Linux 4.15 -

II. Public POCs for CVE-2022-48693

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III. Intelligence Information for CVE-2022-48693

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Other References for CVE-2022-48693 (6)

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-2022-48686 9.8 CRITICAL nvme-tcp: fix UAF when detecting digest errors
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-2022-48691 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-2022-48693

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