5.5

CVE-2023-53078

In the Linux kernel, the following vulnerability has been resolved:

scsi: scsi_dh_alua: Fix memleak for 'qdata' in alua_activate()

If alua_rtpg_queue() failed from alua_activate(), then 'qdata' is not
freed, which will cause following memleak:

unreferenced object 0xffff88810b2c6980 (size 32):
  comm "kworker/u16:2", pid 635322, jiffies 4355801099 (age 1216426.076s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    40 39 24 c1 ff ff ff ff 00 f8 ea 0a 81 88 ff ff  @9$.............
  backtrace:
    [<0000000098f3a26d>] alua_activate+0xb0/0x320
    [<000000003b529641>] scsi_dh_activate+0xb2/0x140
    [<000000007b296db3>] activate_path_work+0xc6/0xe0 [dm_multipath]
    [<000000007adc9ace>] process_one_work+0x3c5/0x730
    [<00000000c457a985>] worker_thread+0x93/0x650
    [<00000000cb80e628>] kthread+0x1ba/0x210
    [<00000000a1e61077>] ret_from_fork+0x22/0x30

Fix the problem by freeing 'qdata' in error path.
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Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 4.9.21 < 4.10
Linux ≫ Linux Kernel Version >= 4.10.9 < 4.11
Linux ≫ Linux Kernel Version >= 4.11.1 < 4.14.312
Linux ≫ Linux Kernel Version >= 4.15 < 4.19.280
Linux ≫ Linux Kernel Version >= 4.20 < 5.4.240
Linux ≫ Linux Kernel Version >= 5.5 < 5.10.177
Linux ≫ Linux Kernel Version >= 5.11 < 5.15.105
Linux ≫ Linux Kernel Version >= 5.16 < 6.1.22
Linux ≫ Linux Kernel Version >= 6.2 < 6.2.9
Linux ≫ Linux Kernel Version4.11 Update-
Linux ≫ Linux Kernel Version4.11 Updaterc5
Linux ≫ Linux Kernel Version4.11 Updaterc6
Linux ≫ Linux Kernel Version4.11 Updaterc7
Linux ≫ Linux Kernel Version4.11 Updaterc8
Linux ≫ Linux Kernel Version6.3 Updaterc1
Linux ≫ Linux Kernel Version6.3 Updaterc2
Linux ≫ Linux Kernel Version6.3 Updaterc3
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.02% 0.031
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-401 Missing Release of Memory after Effective Lifetime

The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory.