Answer in brief
CVE-2026-89608 records a High severity (CVSS 7.1) vulnerability in ecryptfs: pass packet set buffer size to parser. 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 7.1. 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), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=237fead619984cc48818fe12ee0ceada3f55b012 <329de8b9e988b152b938f09224670d97bada0b96 || >=237fead619984cc48818fe12ee0ceada3f55b012 <e5d254e654f2311a3c4b9c791d7f216554bcd17a || >=237fead619984cc48818fe12ee0ceada3f55b012 <747fd45be396a6aea3420ab657a0ab4e60185b05 || >=237fead619984cc48818fe12ee0ceada3f55b012 <2602b79c5b3e2f6fce12e38a670f8e3fda4e46a2 | 329de8b9e988b152b938f09224670d97bada0b96, e5d254e654f2311a3c4b9c791d7f216554bcd17a, 747fd45be396a6aea3420ab657a0ab4e60185b05, 2602b79c5b3e2f6fce12e38a670f8e3fda4e46a2 |
| Linux/Linuxgeneric | 2.6.19 | Not reported |
| Linux/Linuxgeneric | >=237fead619984cc48818fe12ee0ceada3f55b012 <e7573b0e3058c6bbdfe81673f22c09900fde9e65 || >=237fead619984cc48818fe12ee0ceada3f55b012 <66a87559ecb26afe80ad512faf728a158e2b81da || >=237fead619984cc48818fe12ee0ceada3f55b012 <3bd9bb3e167a7c14a50423f6ff03ee0fb007199d || >=237fead619984cc48818fe12ee0ceada3f55b012 <749fa08d8f1b318bd8f4669a14a8a4a8c1bbdaac || >=237fead619984cc48818fe12ee0ceada3f55b012 <329de8b9e988b152b938f09224670d97bada0b96 || >=237fead619984cc48818fe12ee0ceada3f55b012 <e5d254e654f2311a3c4b9c791d7f216554bcd17a || >=237fead619984cc48818fe12ee0ceada3f55b012 <747fd45be396a6aea3420ab657a0ab4e60185b05 || >=237fead619984cc48818fe12ee0ceada3f55b012 <2602b79c5b3e2f6fce12e38a670f8e3fda4e46a2 | e7573b0e3058c6bbdfe81673f22c09900fde9e65, 66a87559ecb26afe80ad512faf728a158e2b81da, 3bd9bb3e167a7c14a50423f6ff03ee0fb007199d, 749fa08d8f1b318bd8f4669a14a8a4a8c1bbdaac, 329de8b9e988b152b938f09224670d97bada0b96, e5d254e654f2311a3c4b9c791d7f216554bcd17a, 747fd45be396a6aea3420ab657a0ab4e60185b05, 2602b79c5b3e2f6fce12e38a670f8e3fda4e46a2 |
Published upstream
Sep 11, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 19, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Sep 11, 2026
In the Linux kernel, the following vulnerability has been resolved: ecryptfs: pass packet set buffer size to parser ecryptfs_parse_packet_set() receives a pointer into the file header, but it calculates the remaining packet buffer size from PAGE_SIZE - 8. For version 1 headers the packet set starts later in the header, so this can overstate the available buffer. Pass the actual packet set buffer length from the caller and calculate per-packet limits from the remaining bytes in that buffer. Recompute the remaining length after consuming a tag 3 packet before parsing the following tag 11 packet.
Quoted source text, attributed separately from HOL analysis.