Answer in brief
CVE-2023-53034 records a High severity (CVSS 7.1) vulnerability in ntb_hw_switchtec: Fix shift-out-of-bounds in switchtec_ntb_mw_set_trans. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
Answer in brief
CVE-2023-53034 records a High severity (CVSS 7.1) vulnerability in ntb_hw_switchtec: Fix shift-out-of-bounds in switchtec_ntb_mw_set_trans. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 7.1. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Product | Affected versions | Fixed versions |
|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | Not reported | Not reported |
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=1e2fd202f8593985cdadca32e0c322f98e7fe7cb <f56951f211f181410a383d305e8d370993e45294 || >=1e2fd202f8593985cdadca32e0c322f98e7fe7cb <5b6857bb3bfb0dae17fab1e42c1e82c204a508b1 || >=1e2fd202f8593985cdadca32e0c322f98e7fe7cb <2429bdf26a0f3950fdd996861e9c1a3873af1dbe || >=1e2fd202f8593985cdadca32e0c322f98e7fe7cb <7ed22f8d8be26225a78cf5e85b2036421a6bf2d5 || >=1e2fd202f8593985cdadca32e0c322f98e7fe7cb <c61a3f2df162ba424be0141649a9ef5f28eaccc1 || >=1e2fd202f8593985cdadca32e0c322f98e7fe7cb <cb153bdc1812a3375639ed6ca5f147eaefb65349 || >=1e2fd202f8593985cdadca32e0c322f98e7fe7cb <36d32cfb00d42e865396424bb5d340fc0a28870d || >=1e2fd202f8593985cdadca32e0c322f98e7fe7cb <0df2e03e4620548b41891b4e0d1bd9d2e0d8a39a || >=1e2fd202f8593985cdadca32e0c322f98e7fe7cb <de203da734fae00e75be50220ba5391e7beecdf9 | f56951f211f181410a383d305e8d370993e45294, 5b6857bb3bfb0dae17fab1e42c1e82c204a508b1, 2429bdf26a0f3950fdd996861e9c1a3873af1dbe, 7ed22f8d8be26225a78cf5e85b2036421a6bf2d5, c61a3f2df162ba424be0141649a9ef5f28eaccc1, cb153bdc1812a3375639ed6ca5f147eaefb65349, 36d32cfb00d42e865396424bb5d340fc0a28870d, 0df2e03e4620548b41891b4e0d1bd9d2e0d8a39a, de203da734fae00e75be50220ba5391e7beecdf9 |
| Linux/Linuxgeneric | 4.16 | Not reported |
Published upstream
Apr 16, 2025
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 4, 2026
In the Linux kernel, the following vulnerability has been resolved: ntb_hw_switchtec: Fix shift-out-of-bounds in switchtec_ntb_mw_set_trans There is a kernel API ntb_mw_clear_trans() would pass 0 to both addr and size. This would make xlate_pos negative. [ 23.734156] switchtec switchtec0: MW 0: part 0 addr 0x0000000000000000 size 0x0000000000000000 [ 23.734158] ================================================================================ [ 23.734172] UBSAN: shift-out-of-bounds in drivers/ntb/hw/mscc/ntb_hw_switchtec.c:293:7 [ 23.734418] shift exponent -1 is negative Ensuring xlate_pos is a positive or zero before BIT.
Quoted source text, attributed separately from HOL analysis.
CVSS is 7.1. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Product | Affected versions | Fixed versions |
|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | Not reported | Not reported |
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=1e2fd202f8593985cdadca32e0c322f98e7fe7cb <f56951f211f181410a383d305e8d370993e45294 || >=1e2fd202f8593985cdadca32e0c322f98e7fe7cb <5b6857bb3bfb0dae17fab1e42c1e82c204a508b1 || >=1e2fd202f8593985cdadca32e0c322f98e7fe7cb <2429bdf26a0f3950fdd996861e9c1a3873af1dbe || >=1e2fd202f8593985cdadca32e0c322f98e7fe7cb <7ed22f8d8be26225a78cf5e85b2036421a6bf2d5 || >=1e2fd202f8593985cdadca32e0c322f98e7fe7cb <c61a3f2df162ba424be0141649a9ef5f28eaccc1 || >=1e2fd202f8593985cdadca32e0c322f98e7fe7cb <cb153bdc1812a3375639ed6ca5f147eaefb65349 || >=1e2fd202f8593985cdadca32e0c322f98e7fe7cb <36d32cfb00d42e865396424bb5d340fc0a28870d || >=1e2fd202f8593985cdadca32e0c322f98e7fe7cb <0df2e03e4620548b41891b4e0d1bd9d2e0d8a39a || >=1e2fd202f8593985cdadca32e0c322f98e7fe7cb <de203da734fae00e75be50220ba5391e7beecdf9 | f56951f211f181410a383d305e8d370993e45294, 5b6857bb3bfb0dae17fab1e42c1e82c204a508b1, 2429bdf26a0f3950fdd996861e9c1a3873af1dbe, 7ed22f8d8be26225a78cf5e85b2036421a6bf2d5, c61a3f2df162ba424be0141649a9ef5f28eaccc1, cb153bdc1812a3375639ed6ca5f147eaefb65349, 36d32cfb00d42e865396424bb5d340fc0a28870d, 0df2e03e4620548b41891b4e0d1bd9d2e0d8a39a, de203da734fae00e75be50220ba5391e7beecdf9 |
| Linux/Linuxgeneric | 4.16 | Not reported |
Published upstream
Apr 16, 2025
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 4, 2026
In the Linux kernel, the following vulnerability has been resolved: ntb_hw_switchtec: Fix shift-out-of-bounds in switchtec_ntb_mw_set_trans There is a kernel API ntb_mw_clear_trans() would pass 0 to both addr and size. This would make xlate_pos negative. [ 23.734156] switchtec switchtec0: MW 0: part 0 addr 0x0000000000000000 size 0x0000000000000000 [ 23.734158] ================================================================================ [ 23.734172] UBSAN: shift-out-of-bounds in drivers/ntb/hw/mscc/ntb_hw_switchtec.c:293:7 [ 23.734418] shift exponent -1 is negative Ensuring xlate_pos is a positive or zero before BIT.
Quoted source text, attributed separately from HOL analysis.