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CVE-2023-52838— fbdev: imsttfb: fix a resource leak in probe

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fbdev:imsttfb模块存在资源泄露问题。

AI Predicted 5.6 Difficulty: Theoretical EPSS 0.25% · P16

Possible ATT&CK Techniques 1 AI

T1542.001 · System Firmware

Affected Version Matrix 27

VendorProduct Version RangeStatus
Linux Linux 7f683f286a2196bd4d2da420a3194f5ba0269d8c< 382e1931e0c9cd58a5a8519cdc6cd9dc4d82b485 affected
815c95d82b79bb32e9aa7c95c6ac7cb1c92612cd< 6c66d737b2726ac7784269ddf32a31634f8f269d affected
2bf70b88cc358a437db376826f92c8dcf9c23587< a4dfebec32ec6d420a5506dd56a7834c91be28e4 affected
ad3de274e065790181f112b9c72a2fb4665ee2fd< 8e4b510fe91782522b7ca0ca881b663b5d35e513 affected
c6c0a9f619584be19726ce7f81c31bc555af401a< 7bc7b82fb2191b0d50a80ee4e27030918767dd1d affected
c75f5a55061091030a13fef71b9995b89bc86213< 18d26f9baca7d0d309303e3074a2252b8310884a affected
c75f5a55061091030a13fef71b9995b89bc86213< b346a531159d08c564a312a9eaeea691704f3c00 affected
c75f5a55061091030a13fef71b9995b89bc86213< aba6ab57a910ad4b940c2024d15f2cdbf5b7f76b affected
… +19 more rows
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I. Basic Information for CVE-2023-52838

Vulnerability Information
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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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
fbdev: imsttfb: fix a resource leak in probe
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: fbdev: imsttfb: fix a resource leak in probe I've re-written the error handling but the bug is that if init_imstt() fails we need to call iounmap(par->cmap_regs).
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fbdev:imsttfb模块存在资源泄露问题。
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 7f683f286a2196bd4d2da420a3194f5ba0269d8c ~ 382e1931e0c9cd58a5a8519cdc6cd9dc4d82b485 -
Linux Linux 6.4 -

II. Public POCs for CVE-2023-52838

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III. Intelligence Information for CVE-2023-52838

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Other References for CVE-2023-52838 (8)

Same Patch Batch · Linux · 2024-05-21 · 361 CVEs total

CVE-2021-47427 9.8 CRITICAL scsi: iscsi: Fix iscsi_task use after free
CVE-2021-47328 9.8 CRITICAL scsi: iscsi: Fix conn use after free during resets
CVE-2023-52732 9.8 CRITICAL ceph: blocklist the kclient when receiving corrupted snap trace
CVE-2023-52741 9.8 CRITICAL cifs: Fix use-after-free in rdata->read_into_pages()
CVE-2021-47232 9.8 CRITICAL can: j1939: fix Use-after-Free, hold skb ref while in use
CVE-2023-52755 9.8 CRITICAL ksmbd: fix slab out of bounds write in smb_inherit_dacl()
CVE-2021-47378 9.8 CRITICAL nvme-rdma: destroy cm id before destroy qp to avoid use after free
CVE-2023-52769 8.8 HIGH wifi: ath12k: fix htt mlo-offset event locking
CVE-2021-47308 8.8 HIGH scsi: libfc: Fix array index out of bound exception
CVE-2023-52801 8.8 HIGH iommufd: Fix missing update of domains_itree after splitting iopt_area
CVE-2023-52798 8.8 HIGH wifi: ath11k: fix dfs radar event locking
CVE-2023-52846 8.8 HIGH hsr: Prevent use after free in prp_create_tagged_frame()
CVE-2023-52790 8.8 HIGH swiotlb: fix out-of-bounds TLB allocations with CONFIG_SWIOTLB_DYNAMIC
CVE-2023-52776 8.8 HIGH wifi: ath12k: fix dfs-radar and temperature event locking
CVE-2021-47388 8.8 HIGH mac80211: fix use-after-free in CCMP/GCMP RX
CVE-2021-47390 8.8 HIGH KVM: x86: Fix stack-out-of-bounds memory access from ioapic_write_indirect()
CVE-2021-47352 8.4 HIGH virtio-net: Add validation for used length
CVE-2023-52829 8.4 HIGH wifi: ath12k: fix possible out-of-bound write in ath12k_wmi_ext_hal_reg_caps()
CVE-2021-47240 8.4 HIGH net: qrtr: fix OOB Read in qrtr_endpoint_post
CVE-2021-47244 8.2 HIGH mptcp: Fix out of bounds when parsing TCP options

Showing top 20 of 361 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2023-52838

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