CVE-2023-52975

HIGHNVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2025-03-27. NVD baseline CVSS 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 4 sources updated this week
7.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.8Exploit: None knownExposed: 0

A fix is available — apply it.

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

scsi: iscsi_tcp: Fix UAF during logout when accessing the shost ipaddress

Bug report and analysis from Ding Hui.

During iSCSI session logout, if another task accesses the shost ipaddress attr, we can get a KASAN UAF report like this:

[ 276.942144] BUG: KASAN: use-after-free in _raw_spin_lock_bh+0x78/0xe0 [ 276.942535] Write of size 4 at addr ffff8881053b45b8 by task cat/4088 [ 276.943511] CPU: 2 PID: 4088 Comm: cat Tainted: G E 6.1.0-rc8+ #3 [ 276.943997] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 11/12/2020 [ 276.944470] Call Trace: [ 276.944943] [ 276.945397] dump_stack_lvl+0x34/0x48 [ 276.945887] print_address_description.constprop.0+0x86/0x1e7 [ 276.946421] print_report+0x36/0x4f [ 276.947358] kasan_report+0xad/0x130 [ 276.948234] kasan_check_range+0x35/0x1c0 [ 276.948674] _raw_spin_lock_bh+0x78/0xe0 [ 276.949989] iscsi_sw_tcp_host_get_param+0xad/0x2e0 [iscsi_tcp] [ 276.951765] show_host_param_ISCSI_HOST_PARAM_IPADDRESS+0xe9/0x130 [scsi_transport_iscsi] [ 276.952185] dev_attr_show+0x3f/0x80 [ 276.953005] sysfs_kf_seq_show+0x1fb/0x3e0 [ 276.953401] seq_read_iter+0x402/0x1020 [ 276.954260] vfs_read+0x532/0x7b0 [ 276.955113] ksys_read+0xed/0x1c0 [ 276.955952] do_syscall_64+0x38/0x90 [ 276.956347] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 276.956769] RIP: 0033:0x7f5d3a679222 [ 276.957161] Code: c0 e9 b2 fe ff ff 50 48 8d 3d 32 c0 0b 00 e8 a5 fe 01 00 0f 1f 44 00 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 0f 05 <48> 3d 00 f0 ff ff 77 56 c3 0f 1f 44 00 00 48 83 ec 28 48 89 54 24 [ 276.958009] RSP: 002b:00007ffc864d16a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 276.958431] RAX: ffffffffffffffda RBX: 0000000000020000 RCX: 00007f5d3a679222 [ 276.958857] RDX: 0000000000020000 RSI: 00007f5d3a4fe000 RDI: 0000000000000003 [ 276.959281] RBP: 00007f5d3a4fe000 R08: 00000000ffffffff R09: 0000000000000000 [ 276.959682] R10: 0000000000000022 R11: 0000000000000246 R12: 0000000000020000 [ 276.960126] R13: 0000000000000003 R14: 0000000000000000 R15: 0000557a26dada58 [ 276.960536] [ 276.961357] Allocated by task 2209: [ 276.961756] kasan_save_stack+0x1e/0x40 [ 276.962170] kasan_set_track+0x21/0x30 [ 276.962557] __kasan_kmalloc+0x7e/0x90 [ 276.962923] __kmalloc+0x5b/0x140 [ 276.963308] iscsi_alloc_session+0x28/0x840 [scsi_transport_iscsi] [ 276.963712] iscsi_session_setup+0xda/0xba0 [libiscsi] [ 276.964078] iscsi_sw_tcp_session_create+0x1fd/0x330 [iscsi_tcp] [ 276.964431] iscsi_if_create_session.isra.0+0x50/0x260 [scsi_transport_iscsi] [ 276.964793] iscsi_if_recv_msg+0xc5a/0x2660 [scsi_transport_iscsi] [ 276.965153] iscsi_if_rx+0x198/0x4b0 [scsi_transport_iscsi] [ 276.965546] netlink_unicast+0x4d5/0x7b0 [ 276.965905] netlink_sendmsg+0x78d/0xc30 [ 276.966236] sock_sendmsg+0xe5/0x120 [ 276.966576] ____sys_sendmsg+0x5fe/0x860 [ 276.966923] ___sys_sendmsg+0xe0/0x170 [ 276.967300] __sys_sendmsg+0xc8/0x170 [ 276.967666] do_syscall_64+0x38/0x90 [ 276.968028] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 276.968773] Freed by task 2209: [ 276.969111] kasan_save_stack+0x1e/0x40 [ 276.969449] kasan_set_track+0x21/0x30 [ 276.969789] kasan_save_free_info+0x2a/0x50 [ 276.970146] __kasan_slab_free+0x106/0x190 [ 276.970470] __kmem_cache_free+0x133/0x270 [ 276.970816] device_release+0x98/0x210 [ 276.971145] kobject_cleanup+0x101/0x360 [ 276.971462] iscsi_session_teardown+0x3fb/0x530 [libiscsi] [ 276.971775] iscsi_sw_tcp_session_destroy+0xd8/0x130 [iscsi_tcp] [ 276.972143] iscsi_if_recv_msg+0x1bf1/0x2660 [scsi_transport_iscsi] [ 276.972485] iscsi_if_rx+0x198/0x4b0 [scsi_transport_iscsi] [ 276.972808] netlink_unicast+0x4d5/0x7b0 [ 276.973201] netlink_sendmsg+0x78d/0xc30 [ 276.973544] sock_sendmsg+0xe5/0x120 [ 276.973864] ____sys_sendmsg+0x5fe/0x860 [ 276.974248] ___sys_ ---truncated---

CVSS v3
7.8
EG Score
7.8(medium)
EG Risk
35(Track)
EG Risk 35/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity78% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
17%
KEV
Not listed

Published

March 27, 2025

Last Modified

August 5, 2026

Advisory Details (4)

Auto-updated Aug 5, 2026
No patch confirmed yet.
generic

scsi: iscsi_tcp: Fix UAF during logout when accessing the shost ipaddress - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/6f1d64b13097e85abda0f91b5638000afc5f9a06
generic

scsi: iscsi_tcp: Fix UAF during logout when accessing the shost ipaddress - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/8859687f5b242c0b057461df0a9ff51d5500783b
generic

scsi: iscsi_tcp: Fix UAF during logout when accessing the shost ipaddress - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/17b738590b97fb3fc287289971d1519ff9b875a1
generic

scsi: iscsi_tcp: Fix UAF during logout when accessing the shost ipaddress - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/0af745fddefbd56198f4f35eb309215ee5f9e21e

Vendor Advisories for CVE-2023-52975(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(19)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulinux-virtual-lts-xenial (4.4.0.271.305~14.04.1) @ trusty2026-05-30ubuntu
ubuntulinux-virtual-hwe-16.04-edge (4.15.0.240.252~16.04.1) @ xenial2026-05-30ubuntu
ubuntulinux-tools-azure (4.15.0.1191.206~14.04.1) @ trusty2026-05-30ubuntu
ubuntulinux-tools-oracle-lts-18.04 (4.15.0.1145.150) @ bionic2026-05-30ubuntu
ubuntulinux-tools-gcp-fips-4.15 (4.15.0.2084.82) @ bionic2026-05-30ubuntu
ubuntulinux-tools-oracle (4.15.0.1145.156~16.04.1) @ xenial2026-05-30ubuntu
ubuntulinux-xilinx-zynqmp-tools-5.4.0-1067 (5.4.0-1067.71) @ focal2026-05-30ubuntu
ubuntulinux-tools-gcp-fips-5.4 (5.4.0.1152.94) @ focal2026-05-30ubuntu
ubuntulinux-tools-iot-5.4 (5.4.0.1053.51) @ focal2026-05-30ubuntu
ubuntulinux-tools-azure-lts-20.04 (5.4.0.1154.148) @ focal2026-05-30ubuntu
ubuntulinux-tools-oracle-edge (5.4.0.1148.158~18.04.1) @ bionic2026-05-30ubuntu
ubuntulinux-tools-azure-fips-5.4 (5.4.0.1155.92) @ focal2026-05-30ubuntu
ubuntulinux-virtual (3.13.0.209.219) @ trusty2026-05-30ubuntu
ubuntulinux-virtual-lts-xenial (4.4.0.271.277) @ xenial2026-05-30ubuntu
ubuntulinux-tools-fips (4.4.0.1116.117) @ xenial2026-05-30ubuntu
redhatkernel-0:4.18.0-477.43.1.el8_82024-01-30redhat
redhatkernel-0:5.14.0-70.85.1.el9_02024-01-25redhat
redhatkernel-rt-0:5.14.0-70.85.1.rt21.156.el9_02024-01-25redhat
linuxKernel @ 5.10.248—osv

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Additional Vendor Advisories

(17)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 14× in last 7d / 48× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 113 total refreshes for this CVE.

  1. 2026-08-05 19:15 UTCEPSS rescore
  2. 2026-08-05 19:15 UTCEPSS rescore
  3. 2026-08-05 10:21 UTCEG score recompute
  4. 2026-08-05 10:21 UTCVendor advisory
  5. 2026-08-05 10:21 UTCGHSA enrichment
  6. 2026-08-04 10:36 UTCEPSS rescore
  7. 2026-08-04 09:45 UTCEG score recompute
  8. 2026-08-04 09:45 UTCVendor advisory
  9. 2026-08-04 09:45 UTCGHSA enrichment
  10. 2026-08-03 10:34 UTCEPSS rescore
  11. 2026-08-02 02:25 UTCEPSS rescore
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  18. 2026-07-26 14:53 UTCEPSS rescore
  19. 2026-07-25 14:16 UTCEPSS rescore
  20. 2026-07-24 10:41 UTCOSV refresh
  21. 2026-07-23 14:16 UTCEPSS rescore
  22. 2026-07-23 02:29 UTCEG score recompute
  23. 2026-07-22 23:16 UTCEG score recompute
  24. 2026-07-22 14:07 UTCEPSS rescore
  25. 2026-07-22 14:07 UTCEPSS rescore
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  1. 2026-07-21 15:23 UTCEPSS rescore
  2. 2026-07-20 17:06 UTCEPSS rescore
  3. 2026-07-19 14:30 UTCEPSS rescore
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  5. 2026-07-19 02:27 UTCEPSS rescore
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  7. 2026-07-18 10:03 UTCEPSS rescore
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  9. 2026-07-16 17:01 UTCEPSS rescore
  10. 2026-07-15 16:56 UTCEPSS rescore
  11. 2026-07-15 01:59 UTCEPSS rescore
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  18. 2026-07-11 08:26 UTCEPSS rescore
  19. 2026-07-09 19:08 UTCEPSS rescore
  20. 2026-07-08 15:13 UTCEPSS rescore
  21. 2026-07-07 13:45 UTCEPSS rescore
  22. 2026-07-07 13:44 UTCEPSS rescore
  23. 2026-07-07 06:21 UTCOSV refresh
  24. 2026-07-06 16:26 UTCEPSS rescore
  25. 2026-07-06 16:26 UTCEPSS rescore
  26. 2026-07-06 02:22 UTCEPSS rescore
  27. 2026-07-06 02:22 UTCEPSS rescore
  28. 2026-07-05 02:29 UTCEPSS rescore
  29. 2026-07-04 06:29 UTCEPSS rescore
  30. 2026-07-01 15:05 UTCEPSS rescore
  31. 2026-06-30 23:21 UTCEPSS rescore
  32. 2026-06-30 23:21 UTCEPSS rescore
  33. 2026-06-29 14:05 UTCEPSS rescore
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  36. 2026-06-28 04:55 UTCEPSS rescore
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  44. 2026-06-22 14:24 UTCEPSS rescore
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  46. 2026-06-21 14:55 UTCEPSS rescore
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  48. 2026-06-21 01:58 UTCEPSS rescore
  49. 2026-06-21 01:58 UTCEPSS rescore
  50. 2026-06-19 19:24 UTCEPSS rescore
  51. 2026-06-19 19:24 UTCEPSS rescore
  52. 2026-06-18 17:51 UTCEPSS rescore
  53. 2026-06-18 17:35 UTCOSV refresh
  54. 2026-06-17 17:51 UTCEPSS rescore
  55. 2026-06-16 17:51 UTCEPSS rescore
  56. 2026-06-16 17:51 UTCEPSS rescore
  57. 2026-06-15 17:47 UTCEPSS rescore
  58. 2026-06-14 23:16 UTCEPSS rescore
  59. 2026-06-13 22:59 UTCEPSS rescore
  60. 2026-06-13 22:59 UTCEPSS rescore
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  62. 2026-06-11 13:59 UTCEPSS rescore
  63. 2026-06-10 22:17 UTCEPSS rescore
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  65. 2026-06-08 14:16 UTCEPSS rescore
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  67. 2026-06-07 15:24 UTCEPSS rescore
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  69. 2026-06-06 13:46 UTCEPSS rescore
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  71. 2026-06-05 22:46 UTCEPSS rescore
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  73. 2026-06-05 06:09 UTCEPSS rescore
  74. 2026-06-05 06:09 UTCEPSS rescore
  75. 2026-06-04 13:11 UTCEPSS rescore

Related CVEs(same product + same vendor + same CWE)

Frequently asked(5)

What is CVE-2023-52975?
CVE-2023-52975 is a high vulnerability published on March 27, 2025. In the Linux kernel, the following vulnerability has been resolved: scsi: iscsi_tcp: Fix UAF during logout when accessing the shost ipaddress Bug report and analysis from Ding Hui. During iSCSI session logout, if another task accesses the shost ipaddress attr, we can get a KASAN UAF report like…
When was CVE-2023-52975 disclosed?
CVE-2023-52975 was first published in the National Vulnerability Database on March 27, 2025, with the most recent update on August 5, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-52975 actively exploited?
CVE-2023-52975 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 82.7% of all scored CVEs.
What is the CVSS score of CVE-2023-52975?
CVE-2023-52975 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2023-52975?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-52975, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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