Answer in brief
CVE-2026-89906 records a High severity (CVSS 7.8) vulnerability in LoongArch: BPF: Refactor jump offset calculation in tail call. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), 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 7.8. 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), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=cd39d9e6b7e4c58fa77783e7aedf7ada51d02ea3 <882b8912b7e92341fdb115ba0e2e5142a28684ff || >=cd39d9e6b7e4c58fa77783e7aedf7ada51d02ea3 <96f44d493c280ea161569c43d7ed0f3b0815803a || >=cd39d9e6b7e4c58fa77783e7aedf7ada51d02ea3 <37d545d12f21c4d50612ecaebd7ae1e5bf91b2d8 || 1a782fa32e644aa9fbae6c8488f3e61221ac96e1 || 17c010fe45def335fe03a0718935416b04c7f349 || f83d469e16bb1f75991ca67c56786fb2aaa42bea || f2b5e50cc04d7a049b385bc1c93b9cbf5f10c94f || 9262e3e04621558e875eb5afb5e726b648cd5949 || >=6.1.149 <6.2 || >=6.6.103 <6.7 || >=6.12.43 <6.13 || >=6.15.11 <6.16 || >=6.16.2 <6.17 | 882b8912b7e92341fdb115ba0e2e5142a28684ff, 96f44d493c280ea161569c43d7ed0f3b0815803a, 37d545d12f21c4d50612ecaebd7ae1e5bf91b2d8, 6.2, 6.7, 6.13, 6.16, 6.17 |
| Linux/Linuxgeneric | 6.17 | Not reported |
| Linux/Linuxgeneric | >=17c010fe45def335fe03a0718935416b04c7f349 <50fbc294e4e96246d60cd66f98acf043a362e3a0 || >=f83d469e16bb1f75991ca67c56786fb2aaa42bea <89819868cde78cb2f748533785a46a3430873f20 || >=cd39d9e6b7e4c58fa77783e7aedf7ada51d02ea3 <882b8912b7e92341fdb115ba0e2e5142a28684ff || >=cd39d9e6b7e4c58fa77783e7aedf7ada51d02ea3 <96f44d493c280ea161569c43d7ed0f3b0815803a || >=cd39d9e6b7e4c58fa77783e7aedf7ada51d02ea3 <37d545d12f21c4d50612ecaebd7ae1e5bf91b2d8 || 1a782fa32e644aa9fbae6c8488f3e61221ac96e1 || f2b5e50cc04d7a049b385bc1c93b9cbf5f10c94f || 9262e3e04621558e875eb5afb5e726b648cd5949 || >=6.6.103 <6.6.160 || >=6.12.43 <6.12.114 || >=6.1.149 <6.2 || >=6.15.11 <6.16 || >=6.16.2 <6.17 | 50fbc294e4e96246d60cd66f98acf043a362e3a0, 89819868cde78cb2f748533785a46a3430873f20, 882b8912b7e92341fdb115ba0e2e5142a28684ff, 96f44d493c280ea161569c43d7ed0f3b0815803a, 37d545d12f21c4d50612ecaebd7ae1e5bf91b2d8, 6.6.160, 6.12.114, 6.2, 6.16, 6.17 |
Published upstream
Sep 16, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 21, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Sep 16, 2026
In the Linux kernel, the following vulnerability has been resolved: LoongArch: BPF: Refactor jump offset calculation in tail call The old macro-based jmp_offset calculation derives the jump distance from a stale prior-pass code stride, which can lead to wrong branch offsets and soft lockups under extra JIT passes. Fix this by calculating the offset directly on the absolute target: "ctx->offset[insn + 1] - ctx->idx". To avoid a false 16-bit range check abort during size estimation, add a "ctx->image == NULL" guard to inject a safe dummy offset.
Quoted source text, attributed separately from HOL analysis.