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CVE-2024-35826— block: Fix page refcounts for unaligned buffers in __bio_release_pages()

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__bio_release_pages函数中未对齐缓冲区的页面引用计数。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.21% · P11

Affected Version Matrix 23

VendorProduct Version RangeStatus
Linux Linux 9025ee1079291fac79c7fcc20086e9f0015f86f4< 242006996d15f5ca62e22f8c7de077d9c4a8f367 affected
8955324cc9f93304efe163120038b38c36c09fba< 7d3765550374f71248c55e6206ea1d6fd4537e65 affected
d198c15d181cc9d580f0f2c25150b077d1d49c1a< ecbd9ced84dd655a8f4cd49d2aad0e80dbf6bf35 affected
1b151e2435fc3a9b10c8946c6aebe9f3e1938c55< c9d3d2fbde9b8197bce88abcbe8ee8e713ffe7c2 affected
1b151e2435fc3a9b10c8946c6aebe9f3e1938c55< 38b43539d64b2fa020b3b9a752a986769f87f7a6 affected
d2d0b95ca1b5fefa3deed444a803c9f809db66cf affected
3f4e660144edb053886fc80f587a71ad7afc2ad6 affected
bfc0647791d7a8f3e178a896a26c4ef7794876b7 affected
… +15 more rows
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I. Basic Information for CVE-2024-35826

Vulnerability Information
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Vulnerability Title
block: Fix page refcounts for unaligned buffers in __bio_release_pages()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: block: Fix page refcounts for unaligned buffers in __bio_release_pages() Fix an incorrect number of pages being released for buffers that do not start at the beginning of a page.
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__bio_release_pages函数中未对齐缓冲区的页面引用计数。
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 9025ee1079291fac79c7fcc20086e9f0015f86f4 ~ 242006996d15f5ca62e22f8c7de077d9c4a8f367 -
Linux Linux 6.8 -

II. Public POCs for CVE-2024-35826

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III. Intelligence Information for CVE-2024-35826

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Other References for CVE-2024-35826 (5)

Same Patch Batch · Linux · 2024-05-17 · 135 CVEs total

CVE-2023-52687 9.8 CRITICAL crypto: safexcel - Add error handling for dma_map_sg() calls
CVE-2024-35856 8.8 HIGH Bluetooth: btusb: mediatek: Fix double free of skb in coredump
CVE-2024-35804 8.8 HIGH KVM: x86: Mark target gfn of emulated atomic instruction as dirty
CVE-2024-35843 8.8 HIGH iommu/vt-d: Use device rbtree in iopf reporting path
CVE-2024-35811 8.8 HIGH wifi: brcmfmac: Fix use-after-free bug in brcmf_cfg80211_detach
CVE-2024-27415 8.8 HIGH netfilter: bridge: confirm multicast packets before passing them up the stack
CVE-2024-27416 8.8 HIGH Bluetooth: hci_event: Fix handling of HCI_EV_IO_CAPA_REQUEST
CVE-2024-27404 8.2 HIGH mptcp: fix data races on remote_id
CVE-2023-52669 8.2 HIGH crypto: s390/aes - Fix buffer overread in CTR mode
CVE-2024-35834 8.2 HIGH xsk: recycle buffer in case Rx queue was full
CVE-2024-35789 8.0 HIGH wifi: mac80211: check/clear fast rx for non-4addr sta VLAN changes
CVE-2024-35830 7.8 HIGH media: tc358743: register v4l2 async device only after successful setup
CVE-2024-35835 7.8 HIGH net/mlx5e: fix a double-free in arfs_create_groups
CVE-2024-35827 7.8 HIGH io_uring/net: fix overflow check in io_recvmsg_mshot_prep()
CVE-2023-52662 7.8 HIGH drm/vmwgfx: fix a memleak in vmw_gmrid_man_get_node
CVE-2024-35817 7.8 HIGH drm/amdgpu: amdgpu_ttm_gart_bind set gtt bound flag
CVE-2024-35808 7.8 HIGH md/dm-raid: don't call md_reap_sync_thread() directly
CVE-2024-35793 7.8 HIGH debugfs: fix wait/cancellation handling during remove
CVE-2024-35798 7.8 HIGH btrfs: fix race in read_extent_buffer_pages()
CVE-2024-35814 7.8 HIGH swiotlb: Fix double-allocation of slots due to broken alignment handling

Showing top 20 of 135 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-35826

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