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CVE-2023-52607— powerpc/mm: Fix null-pointer dereference in pgtable_cache_add

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NULL指针取消引用。

AI Predicted 5.9 Difficulty: Moderate EPSS 0.23% · P13

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux a0668cdc154e54bf0c85182e0535eea237d53146< 21e45a7b08d7cd98d6a53c5fc5111879f2d96611 affected
a0668cdc154e54bf0c85182e0535eea237d53146< f6781add1c311c17eff43e14c786004bbacf901e affected
a0668cdc154e54bf0c85182e0535eea237d53146< aa28eecb43cac6e20ef14dfc50b8892c1fbcda5b affected
a0668cdc154e54bf0c85182e0535eea237d53146< ac3ed969a40357b0542d20f096a6d43acdfa6cc7 affected
a0668cdc154e54bf0c85182e0535eea237d53146< d482d61025e303a2bef3733a011b6b740215cfa1 affected
a0668cdc154e54bf0c85182e0535eea237d53146< 145febd85c3bcc5c74d87ef9a598fc7d9122d532 affected
a0668cdc154e54bf0c85182e0535eea237d53146< ffd29dc45bc0355393859049f6becddc3ed08f74 affected
a0668cdc154e54bf0c85182e0535eea237d53146< f46c8a75263f97bda13c739ba1c90aced0d3b071 affected
… +10 more rows
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I. Basic Information for CVE-2023-52607

Vulnerability Information
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Vulnerability Title
powerpc/mm: Fix null-pointer dereference in pgtable_cache_add
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: powerpc/mm: Fix null-pointer dereference in pgtable_cache_add kasprintf() returns a pointer to dynamically allocated memory which can be NULL upon failure. Ensure the allocation was successful by checking the pointer validity.
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NULL指针取消引用。
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 a0668cdc154e54bf0c85182e0535eea237d53146 ~ 21e45a7b08d7cd98d6a53c5fc5111879f2d96611 -
Linux Linux 2.6.33 -

II. Public POCs for CVE-2023-52607

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III. Intelligence Information for CVE-2023-52607

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Mailing List Discussions for CVE-2023-52607 (1)

Other References for CVE-2023-52607 (8)

Same Patch Batch · Linux · 2024-03-06 · 27 CVEs total

CVE-2023-52586 7.8 HIGH drm/msm/dpu: Add mutex lock in control vblank irq
CVE-2024-26625 7.8 HIGH llc: call sock_orphan() at release time
CVE-2024-26623 7.8 HIGH pds_core: Prevent race issues involving the adminq
CVE-2023-52590 7.8 HIGH ocfs2: Avoid touching renamed directory if parent does not change
CVE-2023-52591 7.8 HIGH reiserfs: Avoid touching renamed directory if parent does not change
CVE-2023-52606 7.8 HIGH powerpc/lib: Validate size for vector operations
CVE-2023-52604 7.8 HIGH FS:JFS:UBSAN:array-index-out-of-bounds in dbAdjTree
CVE-2023-52603 7.8 HIGH UBSAN: array-index-out-of-bounds in dtSplitRoot
CVE-2023-52602 7.8 HIGH jfs: fix slab-out-of-bounds Read in dtSearch
CVE-2023-52601 7.8 HIGH jfs: fix array-index-out-of-bounds in dbAdjTree
CVE-2023-52600 7.8 HIGH jfs: fix uaf in jfs_evict_inode
CVE-2023-52599 7.8 HIGH jfs: fix array-index-out-of-bounds in diNewExt
CVE-2024-26626 7.5 HIGH ipmr: fix kernel panic when forwarding mcast packets
CVE-2023-52588 7.3 HIGH f2fs: fix to tag gcing flag on page during block migration
CVE-2023-52597 KVM: s390: fix setting of fpc register
CVE-2024-26627 scsi: core: Move scsi_host_busy() out of host lock for waking up EH handler
CVE-2023-52598 s390/ptrace: handle setting of fpc register correctly
CVE-2023-52583 ceph: fix deadlock or deadcode of misusing dget()
CVE-2023-52596 sysctl: Fix out of bounds access for empty sysctl registers
CVE-2023-52595 wifi: rt2x00: restart beacon queue when hardware reset

Showing top 20 of 27 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2023-52607

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