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CVE-2024-35793— debugfs: fix wait/cancellation handling during remove

EPSS 0.03% · P7
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I. Basic Information for CVE-2024-35793

Vulnerability Information
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Vulnerability Title
debugfs: fix wait/cancellation handling during remove
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: debugfs: fix wait/cancellation handling during remove Ben Greear further reports deadlocks during concurrent debugfs remove while files are being accessed, even though the code in question now uses debugfs cancellations. Turns out that despite all the review on the locking, we missed completely that the logic is wrong: if the refcount hits zero we can finish (and need not wait for the completion), but if it doesn't we have to trigger all the cancellations. As written, we can _never_ get into the loop triggering the cancellations. Fix this, and explain it better while at it.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
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，该漏洞源于出现死锁问题。
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

VendorProductAffected VersionsCPESubscribe
LinuxLinux 8c88a474357ead632b07c70bf7f119ace8c3b39e ~ e88b5ae01901c4a655a53158397746334778a57b -
LinuxLinux 6.7 -

II. Public POCs for CVE-2024-35793

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III. Intelligence Information for CVE-2024-35793

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

CVE-2024-35834xsk: recycle buffer in case Rx queue was full
CVE-2023-52686powerpc/powernv: Add a null pointer check in opal_event_init()
CVE-2023-52684firmware: qcom: qseecom: fix memory leaks in error paths
CVE-2023-52683ACPI: LPIT: Avoid u32 multiplication overflow
CVE-2023-52682f2fs: fix to wait on block writeback for post_read case
CVE-2023-52681efivarfs: Free s_fs_info on unmount
CVE-2023-52680ALSA: scarlett2: Add missing error checks to *_ctl_get()
CVE-2023-52679of: Fix double free in of_parse_phandle_with_args_map
CVE-2023-52678drm/amdkfd: Confirm list is non-empty before utilizing list_first_entry in kfd_topology.c
CVE-2023-52677riscv: Check if the code to patch lies in the exit section
CVE-2023-52676bpf: Guard stack limits against 32bit overflow
CVE-2023-52675powerpc/imc-pmu: Add a null pointer check in update_events_in_group()
CVE-2023-52674ALSA: scarlett2: Add clamp() in scarlett2_mixer_ctl_put()
CVE-2024-35838wifi: mac80211: fix potential sta-link leak
CVE-2024-35837net: mvpp2: clear BM pool before initialization
CVE-2024-35836dpll: fix pin dump crash for rebound module
CVE-2024-35835net/mlx5e: fix a double-free in arfs_create_groups
CVE-2023-52664net: atlantic: eliminate double free in error handling logic
CVE-2024-35830media: tc358743: register v4l2 async device only after successful setup
CVE-2024-35831io_uring: Fix release of pinned pages when __io_uaddr_map fails

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

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-35793

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