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Vulnerabilities

Vulnerability · CVE-2023-53278

In the Linux kernel, the following vulnerability has been resolved: ubifs: Fix memory leak in ubifs_sysfs_init() When insmod ubifs.ko, a kmemleak reported as below: unreferenced ob

Published Sep 16, 2025 · catalog updated May 11, 2026 · Linux Linux

Check this week

CVE-2023-53278 is not in CISA KEV. FIRST estimates a 16.00% chance of exploitation in the next 30 days. Check whether you run Linux Linux.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
16.00%
Remediation
Vendor / distro source
Affected products
vendor Linux Linux patch: 6.1.18

In the Linux kernel, the following vulnerability has been resolved: ubifs: Fix memory leak in ubifs_sysfs_init() When insmod ubifs.ko, a kmemleak reported as below: unreferenced object 0xffff88817fb1a780 (size 8): comm "insmod", pid 25265, jiffies 4295239702 (age 100.130s) hex dump (first 8 bytes): 75 62 69 66 73 00 ff ff ubifs... backtrace: [ ] slab_post_alloc_hook+0x9c/0x3c0 [ ] __kmalloc_track_caller+0x183/0x410 [ ] kstrdup+0x3a/0x80 [ ] kstrdup_const+0x66/0x80 [ ] kvasprintf_const+0x155/0x190 [ ] kobject_set_name_vargs+0x5b/0x150 [ ] kobject_set_name+0xbb/0xf0 [ ] do_one_initcall+0x14c/0x5

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 patch: 6.1.18patch: 6.1.18

How to fix CVE-2023-53278

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2023-53278 is not in CISA KEV. FIRST estimates a 16.00% chance of exploitation in the next 30 days. Check whether you run Linux Linux.

Which versions are affected?

Compare what you have installed with Linux Linux patch: 6.1.18 patch: 6.1.18. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 16.00%. 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.

  1. Sep 16, 2025 · EUVD

    Detected

    In the Linux kernel, the following vulnerability has been resolved: ubifs: Fix memory leak in ubifs_sysfs_init() When insmod ubifs.ko, a kmemleak reported as below: unreferenced object 0xffff88817fb1a780 (size 8): comm "insmod", pid 25265, jiffies 4295239702 (age 100.130s) hex dump (first 8 bytes): 75 62 69 66 73 00 ff ff ubifs... backtrace: [ ] slab_post_alloc_hook+0x9c/0x3c0 [ ] __kmalloc_track_

  2. May 11, 2026 · EUVD

    Updated

    In the Linux kernel, the following vulnerability has been resolved: ubifs: Fix memory leak in ubifs_sysfs_init() When insmod ubifs.ko, a kmemleak reported as below: unreferenced object 0xffff88817fb1a780 (size 8): comm "insmod", pid 25265, jiffies 4295239702 (age 100.130s) hex dump (first 8 bytes): 75 62 69 66 73 00 ff ff ubifs... backtrace: [ ] slab_post_alloc_hook+0x9c/0x3c0 [ ] __kmalloc_track_

Sources

  • CVE.orgVulnerability recordCVE-2023-53278

    Official CVE identifier

    cve.org
  • EUVDVulnerability recordEUVD-2023-59911

    In the Linux kernel, the following vulnerability has been resolved: ubifs: Fix memory leak in ubifs_sysfs_init() When insmod ubifs.ko, a kmemleak reported as below: unreferenced object 0xffff88817fb1a780 (size 8): comm "insmod", pid 25265, jiffies 4295239702 (age 100.130s) hex du

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog May 11, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.