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CVE-2024-35974— block: fix q->blkg_list corruption during disk rebind

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，该漏洞源于存在列表损坏问题。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.23% · P12

Affected Version Matrix 14

VendorProduct Version RangeStatus
Linux Linux 81c1188905f88b77743d1fdeeedfc8cb7b67787d< b5dae1cd0d8368b4338430ff93403df67f0b8bcc affected
bfe46d2efe46c5c952f982e2ca94fe2ec5e58e2a< 083b58373463a6e5ee60ecb135269348f68ad7df affected
1059699f87eb0b3aa9d574b91a572d534897134a< 740ffad95ca8033bd6e080ed337655b13b4d38ac affected
1059699f87eb0b3aa9d574b91a572d534897134a< 858c489d81d659af17a4d11cfaad2afb42e47a76 affected
1059699f87eb0b3aa9d574b91a572d534897134a< 8b8ace080319a866f5dfe9da8e665ae51d971c54 affected
6.1.16< 6.1.17 affected
6.2.3< 6.2.4 affected
5.18 affected
… +6 more rows
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I. Basic Information for CVE-2024-35974

Vulnerability Information
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Vulnerability Title
block: fix q->blkg_list corruption during disk rebind
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: block: fix q->blkg_list corruption during disk rebind Multiple gendisk instances can allocated/added for single request queue in case of disk rebind. blkg may still stay in q->blkg_list when calling blkcg_init_disk() for rebind, then q->blkg_list becomes corrupted. Fix the list corruption issue by: - add blkg_init_queue() to initialize q->blkg_list & q->blkcg_mutex only - move calling blkg_init_queue() into blk_alloc_queue() The list corruption should be started since commit f1c006f1c685 ("blk-cgroup: synchronize pd_free_fn() from blkg_free_workfn() and blkcg_deactivate_policy()") which delays removing blkg from q->blkg_list into blkg_free_workfn().
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，该漏洞源于存在列表损坏问题。
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 81c1188905f88b77743d1fdeeedfc8cb7b67787d ~ b5dae1cd0d8368b4338430ff93403df67f0b8bcc -
Linux Linux 5.18 -

II. Public POCs for CVE-2024-35974

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III. Intelligence Information for CVE-2024-35974

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Patches & Fixes for CVE-2024-35974 (1)

Other References for CVE-2024-35974 (3)

Same Patch Batch · Linux · 2024-05-20 · 62 CVEs total

CVE-2024-35969 8.8 HIGH ipv6: fix race condition between ipv6_get_ifaddr and ipv6_del_addr
CVE-2024-35980 8.4 HIGH arm64: tlb: Fix TLBI RANGE operand
CVE-2024-35987 8.4 HIGH riscv: Fix loading 64-bit NOMMU kernels past the start of RAM
CVE-2024-35993 7.8 HIGH mm: turn folio_test_hugetlb into a PageType
CVE-2024-36007 7.8 HIGH mlxsw: spectrum_acl_tcam: Fix warning during rehash
CVE-2024-36001 7.8 HIGH netfs: Fix the pre-flush when appending to a file in writethrough mode
CVE-2024-35954 7.8 HIGH scsi: sg: Avoid sg device teardown race
CVE-2024-35949 7.8 HIGH btrfs: make sure that WRITTEN is set on all metadata blocks
CVE-2024-35950 7.8 HIGH drm/client: Fully protect modes[] with dev->mode_config.mutex
CVE-2024-35951 7.8 HIGH drm/panfrost: Fix the error path in panfrost_mmu_map_fault_addr()
CVE-2024-35948 7.8 HIGH bcachefs: Check for journal entries overruning end of sb clean section
CVE-2024-35994 7.8 HIGH firmware: qcom: uefisecapp: Fix memory related IO errors and crashes
CVE-2024-35990 7.8 HIGH dma: xilinx_dpdma: Fix locking
CVE-2024-35958 7.8 HIGH net: ena: Fix incorrect descriptor free behavior
CVE-2024-36009 7.8 HIGH ax25: Fix netdev refcount issue
CVE-2024-35979 7.8 HIGH raid1: fix use-after-free for original bio in raid1_write_request()
CVE-2024-35968 7.8 HIGH pds_core: Fix pdsc_check_pci_health function to use work thread
CVE-2024-35998 7.5 HIGH smb3: fix lock ordering potential deadlock in cifs_sync_mid_result
CVE-2024-35999 7.5 HIGH smb3: missing lock when picking channel
CVE-2024-35971 7.5 HIGH net: ks8851: Handle softirqs at the end of IRQ thread to fix hang

Showing top 20 of 62 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-35974

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