- 7.1HighCVSS base score
- 0.16%Exploitation in 30 daysEPSS · top 94% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
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.
Timeline
ID reserved
By Linux
Published
- 38 days later
· 38 days later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| LinuxCNA (assigner) | 3.1 | High7.1 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H |
| NVDNVD · Received | 3.1 | High7.1 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.16% · top 94% of all CVEs (12 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.1.
Affected products
- affected 237fead619984cc48818fe12ee0ceada3f55b012 – < e7573b0e3058c6bbdfe81673f22c09900fde9e65
- affected 237fead619984cc48818fe12ee0ceada3f55b012 – < 66a87559ecb26afe80ad512faf728a158e2b81da
- affected 237fead619984cc48818fe12ee0ceada3f55b012 – < 3bd9bb3e167a7c14a50423f6ff03ee0fb007199d
- affected 237fead619984cc48818fe12ee0ceada3f55b012 – < 749fa08d8f1b318bd8f4669a14a8a4a8c1bbdaac
- affected 237fead619984cc48818fe12ee0ceada3f55b012 – < 329de8b9e988b152b938f09224670d97bada0b96
- affected 237fead619984cc48818fe12ee0ceada3f55b012 – < e5d254e654f2311a3c4b9c791d7f216554bcd17a
- affected 237fead619984cc48818fe12ee0ceada3f55b012 – < 747fd45be396a6aea3420ab657a0ab4e60185b05
- affected 237fead619984cc48818fe12ee0ceada3f55b012 – < 2602b79c5b3e2f6fce12e38a670f8e3fda4e46a2
- affected 2.6.19
- unaffected < 2.6.19
- unaffected 5.10.270 – ≤ 5.10.*
- unaffected 5.15.221 – ≤ 5.15.*
- unaffected 6.1.188 – ≤ 6.1.*
- unaffected 6.6.157 – ≤ 6.6.*
- unaffected 6.12.109 – ≤ 6.12.*
- unaffected 6.18.50 – ≤ 6.18.*
- unaffected 7.2.4 – ≤ 7.2.*
- unaffected 7.3 – ≤ *
References
References8
- https://git.kernel.org/stable/c/e7573b0e3058c6bbdfe81673f22c09900fde9e65 (opens in a new tab)
- https://git.kernel.org/stable/c/66a87559ecb26afe80ad512faf728a158e2b81da (opens in a new tab)
- https://git.kernel.org/stable/c/3bd9bb3e167a7c14a50423f6ff03ee0fb007199d (opens in a new tab)
- https://git.kernel.org/stable/c/749fa08d8f1b318bd8f4669a14a8a4a8c1bbdaac (opens in a new tab)
- https://git.kernel.org/stable/c/329de8b9e988b152b938f09224670d97bada0b96 (opens in a new tab)
- https://git.kernel.org/stable/c/e5d254e654f2311a3c4b9c791d7f216554bcd17a (opens in a new tab)
- https://git.kernel.org/stable/c/747fd45be396a6aea3420ab657a0ab4e60185b05 (opens in a new tab)
- https://git.kernel.org/stable/c/2602b79c5b3e2f6fce12e38a670f8e3fda4e46a2 (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-76520 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-89608)Record last updated .