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Linux KernelOperating system · Linux

CVE-2024-53690

MEDIUM · 5.5 CVSS v3.1 Published 2025-01-11
Fix available
A fix is available. Upgrade to 5.4.289 / 5.10.233 or later.
See remediation →
57/100
Remediation priority · Elevated
Zero-click Patch available

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
In the Linux kernel, the following vulnerability has been resolved: nilfs2: prevent use of deleted inode syzbot reported a WARNING in nilfs_rmdir. [1] Because the inode bitmap is corrupted, an inode with an inode number that should exist as a ".nilfs" file was reassigned by nilfs_mkdir for "file0", causing an inode duplication during execution. And this causes an underflow of i_nlink in rmdir operations. The inode is used twice by the same task to unmount and remove directories ".nilfs" and "file0", it trigger warning in nilfs_rmdir. Avoid to this issue, check i_nlink in nilfs_iget(), if it is 0, it means that this inode has been deleted, and iput is executed to reclaim it. [1] WARNING: CPU: 1 PID: 5824 at fs/inode.c:407 drop_nlink+0xc4/0x110 fs/inode.c:407 ... Call Trace: <TASK> nilfs_rmdir+0x1b0/0x250 fs/nilfs2/namei.c:342 vfs_rmdir+0x3a3/0x510 fs/namei.c:4394 do_rmdir+0x3b5/0x580 fs/namei.c:4453 __do_sys_rmdir fs/namei.c:4472 [inline] __se_sys_rmdir fs/namei.c:4470 [inline] __x64_sys_rmdir+0x47/0x50 fs/namei.c:4470 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis

A detailed technical summary for this CVE is being prepared.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
Linux KernelOperating system
Affected:>= 2.6.30, < 5.4.289>= 5.5, < 5.10.233>= 5.11, < 5.15.176>= 5.16, < 6.1.122>= 6.2, < 6.6.68>= 6.7, < 6.12.7= 6.13

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

dbcve · scoped
Upgrade available Upgrade to 5.4.289 / 5.10.233 / 5.15.176 or later
Fixed in 5.4.2895.10.2335.15.176
Vendor patch git.kernel.org →
Recommended fix High confidence

Kernel version >=5.4.289, >=5.10.233, >=5.15.176, or >=6.1.122 depending on your current branch

  1. Identify the currently running Linux kernel version using 'uname -r'
  2. Determine which version range your current kernel falls into from the affected ranges
  3. Upgrade to a kernel version that includes the fix: for 5.4.x series upgrade to >=5.4.289, for 5.10.x series upgrade to >=5.10.233, for 5.15.x series upgrade to >=5.15.176, or for 6.1.x series upgrade to >=6.1.122
  4. Use your distribution's standard kernel upgrade procedure (e.g., apt-get update && apt-get install linux-image-* for Debian/Ubuntu, or yum/dnf update for RHEL/Fedora)
  5. Reboot the system into the new kernel
  6. Verify the fix is applied by checking the kernel version and nilfs2 module loaded
Caveat Kernel upgrades may require system reboot and could introduce compatibility changes with older drivers or modules; ensure critical services are tested after upgrade

Generated from the published advisory — verify against the referenced sources before acting.

We can perform the upgrade in your staging environment and verify nothing breaks — typical engagement from $1,600. Get the upgrade done

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2024-53690 in production — separate from our analysis above.

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What this is

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  • Version or environment caveats, and links to real fixes
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