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CVE-2023-53271

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)

Verknüpft mit AI von unstrukturierten Daten zu bestehenden CPE der NVD
This information is available to logged-in users.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
VendorLinux
Product Linux
Default Statusunaffected
Version < 09780a44093b53f9cbca76246af2e4ff0884e512
Version 799dca34ac543485f581bd8464ec9b1c4f0f852a
Status affected
Version < 26ec2d66aecab8ff997b912c20247fedba4f5740
Version 799dca34ac543485f581bd8464ec9b1c4f0f852a
Status affected
Version < 07b60f7452d2fa731737552937cb81821919f874
Version 799dca34ac543485f581bd8464ec9b1c4f0f852a
Status affected
Version < 31d60afe2cc2b712dbefcaab6b7d6a47036f844e
Version 799dca34ac543485f581bd8464ec9b1c4f0f852a
Status affected
Version < 95a72417dd13ebcdcb1bd0c5d4d15f7c5bfbb288
Version 799dca34ac543485f581bd8464ec9b1c4f0f852a
Status affected
Version < 27b760b81951d8d5e5c952a696af8574052b0709
Version 799dca34ac543485f581bd8464ec9b1c4f0f852a
Status affected
Version < 5c0c81a313492b83bd0c038b8839b0e04eb87563
Version 799dca34ac543485f581bd8464ec9b1c4f0f852a
Status affected
Version < 1e591ea072df7211f64542a09482b5f81cb3ad27
Version 799dca34ac543485f581bd8464ec9b1c4f0f852a
Status affected
VendorLinux
Product Linux
Default Statusaffected
Version 4.9
Status affected
Version < 4.9
Version 0
Status unaffected
Version <= 4.14.*
Version 4.14.308
Status unaffected
Version <= 4.19.*
Version 4.19.276
Status unaffected
Version <= 5.4.*
Version 5.4.235
Status unaffected
Version <= 5.10.*
Version 5.10.173
Status unaffected
Version <= 5.15.*
Version 5.15.100
Status unaffected
Version <= 6.1.*
Version 6.1.18
Status unaffected
Version <= 6.2.*
Version 6.2.5
Status unaffected
Version <= *
Version 6.3
Status unaffected
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.03% 0.078
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string