CVE-2023-53271 (GCVE-0-2023-53271)

Vulnerability from cvelistv5 – Published: 2025-09-16 08:07 – Updated: 2025-09-16 08:07
VLAI?
Summary
In the Linux kernel, the following vulnerability has been resolved: ubi: Fix unreferenced object reported by kmemleak in ubi_resize_volume() There is a memory leaks problem reported by kmemleak: unreferenced object 0xffff888102007a00 (size 128): comm "ubirsvol", pid 32090, jiffies 4298464136 (age 2361.231s) hex dump (first 32 bytes): ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................ ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................ backtrace: [<ffffffff8176cecd>] __kmalloc+0x4d/0x150 [<ffffffffa02a9a36>] ubi_eba_create_table+0x76/0x170 [ubi] [<ffffffffa029764e>] ubi_resize_volume+0x1be/0xbc0 [ubi] [<ffffffffa02a3321>] ubi_cdev_ioctl+0x701/0x1850 [ubi] [<ffffffff81975d2d>] __x64_sys_ioctl+0x11d/0x170 [<ffffffff83c142a5>] do_syscall_64+0x35/0x80 [<ffffffff83e0006a>] entry_SYSCALL_64_after_hwframe+0x46/0xb0 This is due to a mismatch between create and destroy interfaces, and in detail that "new_eba_tbl" created by ubi_eba_create_table() but destroyed by kfree(), while will causing "new_eba_tbl->entries" not freed. Fix it by replacing kfree(new_eba_tbl) with ubi_eba_destroy_table(new_eba_tbl)
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 799dca34ac543485f581bd8464ec9b1c4f0f852a , < 09780a44093b53f9cbca76246af2e4ff0884e512 (git)
Affected: 799dca34ac543485f581bd8464ec9b1c4f0f852a , < 26ec2d66aecab8ff997b912c20247fedba4f5740 (git)
Affected: 799dca34ac543485f581bd8464ec9b1c4f0f852a , < 07b60f7452d2fa731737552937cb81821919f874 (git)
Affected: 799dca34ac543485f581bd8464ec9b1c4f0f852a , < 31d60afe2cc2b712dbefcaab6b7d6a47036f844e (git)
Affected: 799dca34ac543485f581bd8464ec9b1c4f0f852a , < 95a72417dd13ebcdcb1bd0c5d4d15f7c5bfbb288 (git)
Affected: 799dca34ac543485f581bd8464ec9b1c4f0f852a , < 27b760b81951d8d5e5c952a696af8574052b0709 (git)
Affected: 799dca34ac543485f581bd8464ec9b1c4f0f852a , < 5c0c81a313492b83bd0c038b8839b0e04eb87563 (git)
Affected: 799dca34ac543485f581bd8464ec9b1c4f0f852a , < 1e591ea072df7211f64542a09482b5f81cb3ad27 (git)
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    Linux Linux Affected: 4.9
Unaffected: 0 , < 4.9 (semver)
Unaffected: 4.14.308 , ≤ 4.14.* (semver)
Unaffected: 4.19.276 , ≤ 4.19.* (semver)
Unaffected: 5.4.235 , ≤ 5.4.* (semver)
Unaffected: 5.10.173 , ≤ 5.10.* (semver)
Unaffected: 5.15.100 , ≤ 5.15.* (semver)
Unaffected: 6.1.18 , ≤ 6.1.* (semver)
Unaffected: 6.2.5 , ≤ 6.2.* (semver)
Unaffected: 6.3 , ≤ * (original_commit_for_fix)
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{
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nubi: Fix unreferenced object reported by kmemleak in ubi_resize_volume()\n\nThere is a memory leaks problem reported by kmemleak:\n\nunreferenced object 0xffff888102007a00 (size 128):\n  comm \"ubirsvol\", pid 32090, jiffies 4298464136 (age 2361.231s)\n  hex dump (first 32 bytes):\nff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff  ................\nff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff  ................\n  backtrace:\n[\u003cffffffff8176cecd\u003e] __kmalloc+0x4d/0x150\n[\u003cffffffffa02a9a36\u003e] ubi_eba_create_table+0x76/0x170 [ubi]\n[\u003cffffffffa029764e\u003e] ubi_resize_volume+0x1be/0xbc0 [ubi]\n[\u003cffffffffa02a3321\u003e] ubi_cdev_ioctl+0x701/0x1850 [ubi]\n[\u003cffffffff81975d2d\u003e] __x64_sys_ioctl+0x11d/0x170\n[\u003cffffffff83c142a5\u003e] do_syscall_64+0x35/0x80\n[\u003cffffffff83e0006a\u003e] entry_SYSCALL_64_after_hwframe+0x46/0xb0\n\nThis is due to a mismatch between create and destroy interfaces, and\nin detail that \"new_eba_tbl\" created by ubi_eba_create_table() but\ndestroyed by kfree(), while will causing \"new_eba_tbl-\u003eentries\" not\nfreed.\n\nFix it by replacing kfree(new_eba_tbl) with\nubi_eba_destroy_table(new_eba_tbl)"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-09-16T08:07:00.565Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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          "url": "https://git.kernel.org/stable/c/1e591ea072df7211f64542a09482b5f81cb3ad27"
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      "title": "ubi: Fix unreferenced object reported by kmemleak in ubi_resize_volume()",
      "x_generator": {
        "engine": "bippy-1.2.0"
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    "dateReserved": "2025-09-16T08:05:12.516Z",
    "dateUpdated": "2025-09-16T08:07:00.565Z",
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  }
}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.