CVE-2026-53027: Linux kernel · fs/ntfs3: fix missing run load for vcn0 in attr_data_get_block_locked()
Affects Linux kernelSource CVE Database V5
Not known to be exploited · fixed in ea59d9dbc5504e29d420ac4aab774cbce39b0e69 : update Linux kernel when convenient.
Data as of 30 Oct 2026, 12:35 UTC
Rated Medium by Threat Radar's AI analysis · No CVSS score from NVD or the CNA
Thin evidence
One scorer or none- Patch
- Available – fixed in ea59d9dbc5504e29d420ac4aab774cbce39b0e69, d68a14450783ecc5fddae957ac4e1c546dfcfb73, d7ea8495fd307b58f8867acd81a1b40075b1d3ba +4
Exploitation evidence
Disclosed: evidence found.
CVE published 24 Jun 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.
What to do
Upgrade to a fixed release listed under Affected software.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| LinuxLinux | Affected
| Fixed in
|
| LinuxLinux | Affected
| Fixed in– |
AI-suggested
A patch is available and has been applied in Linux kernel versions 6.1.191 and 6.2 as well as specific commits referenced. Users and administrators should update to these fixed versions to remediate the issue. Since this is a kernel vulnerability, applying the official kernel updates is the recommended mitigation.
Description
A vulnerability in the Linux kernel's NTFS3 filesystem driver was fixed to address a missing run load for vcn0 in the attr_data_get_block_locked() function. The flaw occurs when compressed or sparse attributes have clusters aligned to frames, causing a mismatch between vcn and vcn0. This mismatch can lead to a failure to load the attribute segment for vcn0, triggering a warning and potentially incorrect behavior during cluster allocation.
References
- git.kernel.org/stable/c/543093f65318d012850e548b241f85381b14d643 (opens in a new tab)
- git.kernel.org/stable/c/ea59d9dbc5504e29d420ac4aab774cbce39b0e69 (opens in a new tab)
- git.kernel.org/stable/c/d68a14450783ecc5fddae957ac4e1c546dfcfb73 (opens in a new tab)
- git.kernel.org/stable/c/08fad5d5a26cc55c0ecb68ac59ba3be5e31f4147 (opens in a new tab)
- git.kernel.org/stable/c/2b4ae1ce613ade8a7e118fba4a5a77cd23e97e54 (opens in a new tab)
- git.kernel.org/stable/c/d7ea8495fd307b58f8867acd81a1b40075b1d3ba (opens in a new tab)