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CVE-2024-34027— f2fs: compress: fix to cover {reserve,release}_compress_blocks() w/ cp_rwsem lock

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 f2fs:compress 模块存在漏洞。

CVSS 7.8 · High EPSS 0.24% · P14

Possible ATT&CK Techniques 1 AI

T1562

Affected Version Matrix 14

VendorProduct Version RangeStatus
Linux Linux ef8d563f184e1112651f2cbde383d43e599334e8< a6e1f7744e9b84f86a629a76024bba8468aa153b affected
ef8d563f184e1112651f2cbde383d43e599334e8< b5bac43875aa27ec032dbbb86173baae6dce6182 affected
ef8d563f184e1112651f2cbde383d43e599334e8< 5d47d63883735718825ca2efc4fca6915469774f affected
ef8d563f184e1112651f2cbde383d43e599334e8< 329edb7c9e3b6ca27e6ca67ab1cdda1740fb3a2b affected
ef8d563f184e1112651f2cbde383d43e599334e8< 69136304fd144144a4828c7b7b149d0f80321ba4 affected
ef8d563f184e1112651f2cbde383d43e599334e8< 0a4ed2d97cb6d044196cc3e726b6699222b41019 affected
5.8 affected
< 5.8 unaffected
… +6 more rows
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I. Basic Information for CVE-2024-34027

Vulnerability Information
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Vulnerability Title
f2fs: compress: fix to cover {reserve,release}_compress_blocks() w/ cp_rwsem lock
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: fix to cover {reserve,release}_compress_blocks() w/ cp_rwsem lock It needs to cover {reserve,release}_compress_blocks() w/ cp_rwsem lock to avoid racing with checkpoint, otherwise, filesystem metadata including blkaddr in dnode, inode fields and .total_valid_block_count may be corrupted after SPO case.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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 f2fs:compress 模块存在漏洞。
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 ef8d563f184e1112651f2cbde383d43e599334e8 ~ a6e1f7744e9b84f86a629a76024bba8468aa153b -
Linux Linux 5.8 -

II. Public POCs for CVE-2024-34027

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III. Intelligence Information for CVE-2024-34027

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Other References for CVE-2024-34027 (6)

Same Patch Batch · Linux · 2024-06-24 · 14 CVEs total

CVE-2024-38384 7.8 HIGH blk-cgroup: fix list corruption from reorder of WRITE ->lqueued
CVE-2024-38663 7.8 HIGH blk-cgroup: fix list corruption from resetting io stat
CVE-2024-39292 7.8 HIGH um: Add winch to winch_handlers before registering winch IRQ
CVE-2024-32936 7.8 HIGH media: ti: j721e-csi2rx: Fix races while restarting DMA
CVE-2024-33847 7.1 HIGH f2fs: compress: don't allow unaligned truncation on released compress inode
CVE-2024-38664 drm: zynqmp_dpsub: Always register bridge
CVE-2024-38667 riscv: prevent pt_regs corruption for secondary idle threads
CVE-2024-39291 drm/amdgpu: Fix buffer size in gfx_v9_4_3_init_ cp_compute_microcode() and rlc_microcode()
CVE-2024-34030 PCI: of_property: Return error for int_map allocation failure
CVE-2024-35247 fpga: region: add owner module and take its refcount
CVE-2024-36479 fpga: bridge: add owner module and take its refcount
CVE-2024-37021 fpga: manager: add owner module and take its refcount
CVE-2024-37026 drm/xe: Only use reserved BCS instances for usm migrate exec queue

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-34027

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