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TI-2023-29379 Aliases CVE-2023-53078GHSA-xjm5-mrh5-2hc5

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

Priority LOW 24CWE-401Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Partial Red Hat: 2 fixed, 4 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-401.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00202 10th percentileScored 2026-11-07
Fix Partial Linux (Linux): 4.10, 4.11, 4.14.312 +7Red Hat: 2 advisoriesRed Hat: 2 fixed, 4 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
LinuxLinux4.9.21 to before 4.10; 4.10.9 to before 4.114.10, 4.11Patch availableCNA
LinuxLinux4.11 and later4.14.312, 4.19.280, 5.4.240, 5.10.177, 5.15.105, 6.1.22, 6.2.9, 6.3Patch availableCNA
  • Linux VendorLinux Affected 4.9.21 to before 4.10; 4.10.9 to before 4.11 Fixed in 4.10, 4.11 Patch available CNA
  • Linux VendorLinux Affected 4.11 and later Fixed in 4.14.312, 4.19.280, 5.4.240, 5.10.177, 5.15.105, 6.1.22, 6.2.9, 6.3 Patch available CNA

CPE configurations NVD · 9

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*4.9.21 to before 4.10; 4.10.9 to before 4.11; 4.11.1 to before 4.14.312; 4.15 to before 4.19.280; 4.20 to before 5.4.240; 5.5 to before 5.10.177; 5.11 to before 5.15.105; 5.16 to before 6.1.22; 6.2 to before 6.2.9VulnerableLinux
cpe:2.3:o:linux:linux_kernel:4.11:-:*:*:*:*:*:*4.11VulnerableLinux
cpe:2.3:o:linux:linux_kernel:4.11:rc5:*:*:*:*:*:*4.11 rc5VulnerableLinux
cpe:2.3:o:linux:linux_kernel:4.11:rc6:*:*:*:*:*:*4.11 rc6VulnerableLinux
cpe:2.3:o:linux:linux_kernel:4.11:rc7:*:*:*:*:*:*4.11 rc7VulnerableLinux
cpe:2.3:o:linux:linux_kernel:4.11:rc8:*:*:*:*:*:*4.11 rc8VulnerableLinux
cpe:2.3:o:linux:linux_kernel:6.3:rc1:*:*:*:*:*:*6.3 rc1VulnerableLinux
cpe:2.3:o:linux:linux_kernel:6.3:rc2:*:*:*:*:*:*6.3 rc2VulnerableLinux
cpe:2.3:o:linux:linux_kernel:6.3:rc3:*:*:*:*:*:*6.3 rc3VulnerableLinux
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 4.9.21 to before 4.10; 4.10.9 to before 4.11; 4.11.1 to before 4.14.312; 4.15 to before 4.19.280; 4.20 to before 5.4.240; 5.5 to before 5.10.177; 5.11 to before 5.15.105; 5.16 to before 6.1.22; 6.2 to before 6.2.9 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:4.11:-:*:*:*:*:*:* Versions 4.11 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:4.11:rc5:*:*:*:*:*:* Versions 4.11 rc5 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:4.11:rc6:*:*:*:*:*:* Versions 4.11 rc6 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:4.11:rc7:*:*:*:*:*:* Versions 4.11 rc7 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:4.11:rc8:*:*:*:*:*:* Versions 4.11 rc8 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:6.3:rc1:*:*:*:*:*:* Versions 6.3 rc1 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:6.3:rc2:*:*:*:*:*:* Versions 6.3 rc2 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:6.3:rc3:*:*:*:*:*:* Versions 6.3 rc3 Vulnerable ·Linux

Remediation

  • Fix · CNA Linux (Linux) Fixed in 4.10, 4.11
  • Fix · CNA Linux (Linux) Fixed in 4.14.312, 4.19.280, 5.4.240, 5.10.177, 5.15.105, 6.1.22, 6.2.9, 6.3

Red Hat 2 advisories

  • RHSA-2023:7077 Released 2023-11-14 · Red Hat rating Important
    kernel security, bug fix, and enhancement update
    • Red Hat CodeReady Linux Builder (v. 8) kernel-tools-libs-devel-4.18.0-513.5.1.el8_9
    • Red Hat Enterprise Linux BaseOS (v. 8) bpftool-4.18.0-513.5.1.el8_9, kernel-4.18.0-513.5.1.el8_9, kernel-abi-stablelists-4.18.0-513.5.1.el8_9 +19
  • RHSA-2023:6583 Released 2023-11-07 · Red Hat rating Important
    kernel security, bug fix, and enhancement update
    • Red Hat CodeReady Linux Builder (v. 9) kernel-tools-libs-devel-5.14.0-362.8.1.el9_3, libperf-5.14.0-362.8.1.el9_3
    • Red Hat Enterprise Linux AppStream (v. 9) kernel-64k-debug-devel-5.14.0-362.8.1.el9_3, kernel-64k-debug-devel-matched-5.14.0-362.8.1.el9_3, kernel-64k-devel-5.14.0-362.8.1.el9_3 +11
    • Red Hat Enterprise Linux BaseOS (v. 9) bpftool-7.2.0-362.8.1.el9_3, kernel-5.14.0-362.8.1.el9_3, kernel-64k-5.14.0-362.8.1.el9_3 +29
    • Red Hat Enterprise Linux Real Time (v. 9) kernel-rt-5.14.0-362.8.1.el9_3, kernel-rt-core-5.14.0-362.8.1.el9_3, kernel-rt-debug-5.14.0-362.8.1.el9_3 +9
    • Red Hat Enterprise Linux Real Time for NFV (v. 9) kernel-rt-5.14.0-362.8.1.el9_3, kernel-rt-core-5.14.0-362.8.1.el9_3, kernel-rt-debug-5.14.0-362.8.1.el9_3 +11

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 7AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 8AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 9AffectedNo fix yet: Fix deferred
Red Hat CodeReady Linux Builder (v. 8)Fixed RHSA-2023:7077
Red Hat Enterprise Linux BaseOS (v. 8)Fixed RHSA-2023:7077
Not affected: 1 product
  • Red Hat Enterprise Linux 10

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-53078
  2. 2026-10-03 Alias added: GHSA-xjm5-mrh5-2hc5
  3. 2026-11-05 CISA SSVC decision points changed

References

  • TI-2025-26358 tls: fix handling of zero-length records on the rx_list KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-38352 netfilter: bridge: make ebt_snat ARP rewrite writable KEVCVSS 3.1HIGH 8.8
  • TI-2013-05264 The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the… KEVCVSS 3.1HIGH 8.8
  • TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
  • TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
  • TI-2021-05514 Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE KEVCVSS 3.1HIGH 8.3
See all 15278 →

Sources