CVE-2026-80554
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2026
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
s390/vfio_ccw: Limit the number of channel program segments
In the Linux kernel, the following vulnerability has been resolved: s390/vfio_ccw: Limit the number of channel program segments The processing of channel programs, and the CCWs within them, is done recursively. As such, there is an arbitrary (but not architectural) limit to the number of CCWs that can exist in a single channel program. The vfio-ccw logic breaks these channel programs into segments whenever it encounters a Transfer-In-Channel (TIC) CCW, and the combined number of segments count towards the global limit. Impose an equivalent limit to the number of segments until such logic can be made non-recursive.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
unaffected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 0a19e61e6d4c6192077ead760ba0a2d350987d4c | affected | git | 15fb4559a7fdf0b8725e433a71cfd03a1313a48b | Unavailable | None listed |
| 0a19e61e6d4c6192077ead760ba0a2d350987d4c | affected | git | a1625f66eaa1200068a0e2c05bc90e65182fc4e3 | Unavailable | None listed |
| 0a19e61e6d4c6192077ead760ba0a2d350987d4c | affected | git | 06f4d6e5a8af6c2072e8cd39dbc512c683ca7fb2 | Unavailable | None listed |
| 0a19e61e6d4c6192077ead760ba0a2d350987d4c | affected | git | 4ee94790490ae8dcc97df8597f07836c8a81bbcf | Unavailable | None listed |
| 0a19e61e6d4c6192077ead760ba0a2d350987d4c | affected | git | 5405c90d6a47b3014e74ee0618a162449abbbc93 | Unavailable | None listed |
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
affected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 4.12 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 4.12 | Unavailable | None listed |
| 6.6.153 | unaffected | semver | Unavailable | 6.6.* | None listed |
| 6.12.105 | unaffected | semver | Unavailable | 6.12.* | None listed |
| 6.18.46 | unaffected | semver | Unavailable | 6.18.* | None listed |
| 7.1.10 | unaffected | semver | Unavailable | 7.1.* | None listed |
| 7.2 | unaffected | original_commit_for_fix | Unavailable | * | None listed |