Vulnerability · CVE-2025-38263
In the Linux kernel, the following vulnerability has been resolved: bcache: fix NULL pointer in cache_set_flush() 1.
Published Jul 9, 2025 · catalog updated May 11, 2026 · Linux Linux
Check if you run it
No confirmed exploitation is on record for CVE-2025-38263. EPSS is 0.18%. Act only if a listed version of Linux Linux is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- None0.0
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.18%
- Remediation
- Version ranges on file
- Affected products
- vendor Linux Linux cafe563591446cf80bfbc2fe3bc72a2e36cf1060 <1f25f2d3fa29325320c19a30abf787e0bd5fc91b
In the Linux kernel, the following vulnerability has been resolved: bcache: fix NULL pointer in cache_set_flush() 1. LINE#1794 - LINE#1887 is some codes about function of bch_cache_set_alloc(). 2. LINE#2078 - LINE#2142 is some codes about function of register_cache_set(). 3. register_cache_set() will call bch_cache_set_alloc() in LINE#2098. 1794 struct cache_set *bch_cache_set_alloc(struct cache_sb *sb) 1795 { ... 1860 if (!(c->devices = kcalloc(c->nr_uuids, sizeof(void *), GFP_KERNEL)) || 1861 mempool_init_slab_pool(&c->search, 32, bch_search_cache) || 1862 mempool_init_kmalloc_pool(&c->bio_m
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- vendor Linux Linux cafe563591446cf80bfbc2fe3bc72a2e36cf1060 <1f25f2d3fa29325320c19a30abf787e0bd5fc91bcafe563591446cf80bfbc2fe3bc72a2e36cf1060 <1f25f2d3fa29325320c19a30abf787e0bd5fc91b
How to fix CVE-2025-38263
Recommended remediation
Affected version ranges suggest a fixed boundary. Verify against the vendor advisory for your release.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2025-38263. EPSS is 0.18%. Act only if a listed version of Linux Linux is installed.
Which versions are affected?
Compare what you have installed with Linux Linux cafe563591446cf80bfbc2fe3bc72a2e36cf1060 <1f25f2d3fa29325320c19a30abf787e0bd5fc91b cafe563591446cf80bfbc2fe3bc72a2e36cf1060 <1f25f2d3fa29325320c19a30abf787e0bd5fc91b. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 0.18%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
Timeline
Detection, updates, and resolution for this record.
Jul 9, 2025 · EUVD
Detected
In the Linux kernel, the following vulnerability has been resolved: bcache: fix NULL pointer in cache_set_flush() 1. LINE#1794 - LINE#1887 is some codes about function of bch_cache_set_alloc(). 2. LINE#2078 - LINE#2142 is some codes about function of register_cache_set(). 3. register_cache_set() will call bch_cache_set_alloc() in LINE#2098. 1794 struct cache_set *bch_cache_set_alloc(struct cache_s
May 11, 2026 · EUVD
Updated
In the Linux kernel, the following vulnerability has been resolved: bcache: fix NULL pointer in cache_set_flush() 1. LINE#1794 - LINE#1887 is some codes about function of bch_cache_set_alloc(). 2. LINE#2078 - LINE#2142 is some codes about function of register_cache_set(). 3. register_cache_set() will call bch_cache_set_alloc() in LINE#2098. 1794 struct cache_set *bch_cache_set_alloc(struct cache_s
Sources
- CVE.orgVulnerability recordCVE-2025-38263
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2025-38263
30-day exploitation probability 0.18%
first.org - EUVDVulnerability recordEUVD-2025-20798
In the Linux kernel, the following vulnerability has been resolved: bcache: fix NULL pointer in cache_set_flush() 1. LINE#1794 - LINE#1887 is some codes about function of bch_cache_set_alloc(). 2. LINE#2078 - LINE#2142 is some codes about function of register_cache_set(). 3. regi
euvd.enisa.europa.eu
References
Freshness
Last verified in this catalog Oct 21, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.