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CVE-2024-38582— nilfs2: fix potential hang in nilfs_detach_log_writer()

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nilfs2 nilfs_detach_log_writer()存在安全问题。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.86% · P58

Affected Version Matrix 32

VendorProduct Version RangeStatus
Linux Linux 7ef3ff2fea8bf5e4a21cef47ad87710a3d0fdb52< 911d38be151921a5d152bb55e81fd752384c6830 affected
7ef3ff2fea8bf5e4a21cef47ad87710a3d0fdb52< bc9cee50a4a4ca23bdc49f75ea8242d8a2193b3b affected
7ef3ff2fea8bf5e4a21cef47ad87710a3d0fdb52< eff7cdf890b02596b8d73e910bdbdd489175dbdb affected
7ef3ff2fea8bf5e4a21cef47ad87710a3d0fdb52< 06afce714d87c7cd1dcfccbcd800c5c5d2cf1cfd affected
7ef3ff2fea8bf5e4a21cef47ad87710a3d0fdb52< 1c3844c5f4eac043954ebf6403fa9fd1f0e9c1c0 affected
7ef3ff2fea8bf5e4a21cef47ad87710a3d0fdb52< a8799662fed1f8747edae87a1937549288baca6a affected
7ef3ff2fea8bf5e4a21cef47ad87710a3d0fdb52< 6e5c8e8e024e147b834f56f2115aad241433679b affected
7ef3ff2fea8bf5e4a21cef47ad87710a3d0fdb52< c516db6ab9eabbedbc430b4f93b0d8728e9b427f affected
… +24 more rows
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I. Basic Information for CVE-2024-38582

Vulnerability Information
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Vulnerability Title
nilfs2: fix potential hang in nilfs_detach_log_writer()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix potential hang in nilfs_detach_log_writer() Syzbot has reported a potential hang in nilfs_detach_log_writer() called during nilfs2 unmount. Analysis revealed that this is because nilfs_segctor_sync(), which synchronizes with the log writer thread, can be called after nilfs_segctor_destroy() terminates that thread, as shown in the call trace below: nilfs_detach_log_writer nilfs_segctor_destroy nilfs_segctor_kill_thread --> Shut down log writer thread flush_work nilfs_iput_work_func nilfs_dispose_list iput nilfs_evict_inode nilfs_transaction_commit nilfs_construct_segment (if inode needs sync) nilfs_segctor_sync --> Attempt to synchronize with log writer thread *** DEADLOCK *** Fix this issue by changing nilfs_segctor_sync() so that the log writer thread returns normally without synchronizing after it terminates, and by forcing tasks that are already waiting to complete once after the thread terminates. The skipped inode metadata flushout will then be processed together in the subsequent cleanup work in nilfs_segctor_destroy().
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nilfs2 nilfs_detach_log_writer()存在安全问题。
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 7ef3ff2fea8bf5e4a21cef47ad87710a3d0fdb52 ~ 911d38be151921a5d152bb55e81fd752384c6830 -
Linux Linux 3.19 -

II. Public POCs for CVE-2024-38582

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III. Intelligence Information for CVE-2024-38582

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Mailing List Discussions for CVE-2024-38582 (1)

Other References for CVE-2024-38582 (8)

Same Patch Batch · Linux · 2024-06-19 · 122 CVEs total

CVE-2024-38558 10.0 CRITICAL net: openvswitch: fix overwriting ct original tuple for ICMPv6
CVE-2024-38570 9.8 CRITICAL gfs2: Fix potential glock use-after-free on unmount
CVE-2021-47587 9.8 CRITICAL net: systemport: Add global locking for descriptor lifecycle
CVE-2024-38544 9.8 CRITICAL RDMA/rxe: Fix seg fault in rxe_comp_queue_pkt
CVE-2021-47611 8.1 HIGH mac80211: validate extended element ID is present
CVE-2024-38587 7.8 HIGH speakup: Fix sizeof() vs ARRAY_SIZE() bug
CVE-2024-38556 7.8 HIGH net/mlx5: Add a timeout to acquire the command queue semaphore
CVE-2024-38610 7.8 HIGH drivers/virt/acrn: fix PFNMAP PTE checks in acrn_vm_ram_map()
CVE-2024-38605 7.8 HIGH ALSA: core: Fix NULL module pointer assignment at card init
CVE-2024-38599 7.8 HIGH jffs2: prevent xattr node from overflowing the eraseblock
CVE-2024-38592 7.8 HIGH drm/mediatek: Init `ddp_comp` with devm_kcalloc()
CVE-2024-38564 7.8 HIGH bpf: Add BPF_PROG_TYPE_CGROUP_SKB attach type enforcement in BPF_LINK_CREATE
CVE-2024-38568 7.8 HIGH drivers/perf: hisi: hns3: Fix out-of-bound access when valid event group
CVE-2024-38572 7.8 HIGH wifi: ath12k: fix out-of-bound access of qmi_invoke_handler()
CVE-2024-38578 7.8 HIGH ecryptfs: Fix buffer size for tag 66 packet
CVE-2024-38580 7.8 HIGH epoll: be better about file lifetimes
CVE-2024-38569 7.8 HIGH drivers/perf: hisi_pcie: Fix out-of-bound access when valid event group
CVE-2024-38583 7.8 HIGH nilfs2: fix use-after-free of timer for log writer thread
CVE-2024-38614 7.8 HIGH openrisc: traps: Don't send signals to kernel mode threads
CVE-2024-38588 7.8 HIGH ftrace: Fix possible use-after-free issue in ftrace_location()

Showing top 20 of 122 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-38582

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