CVE-2026-64254
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)
NTB: epf: Avoid pci_iounmap() with offset when PEER_SPAD and CONFIG share BAR
In the Linux kernel, the following vulnerability has been resolved: NTB: epf: Avoid pci_iounmap() with offset when PEER_SPAD and CONFIG share BAR When BAR_PEER_SPAD and BAR_CONFIG share one PCI BAR, the module teardown path ends up calling pci_iounmap() on the same iomem with some offset, which is unnecessary and triggers a kernel warning like the following: Trying to vunmap() nonexistent vm area (0000000069a5ffe8) WARNING: mm/vmalloc.c:3470 at vunmap+0x58/0x68, CPU#5: modprobe/2937 [...] Call trace: vunmap+0x58/0x68 (P) iounmap+0x34/0x48 pci_iounmap+0x2c/0x40 ntb_epf_pci_remove+0x44/0x80 [ntb_hw_epf] pci_device_remove+0x48/0xf8 device_remove+0x50/0x88 device_release_driver_internal+0x1c8/0x228 driver_detach+0x50/0xb0 bus_remove_driver+0x74/0x100 driver_unregister+0x34/0x68 pci_unregister_driver+0x34/0xa0 ntb_epf_pci_driver_exit+0x14/0xfe0 [ntb_hw_epf] [...] Fix it by unmapping only when PEER_SPAD and CONFIG use difference bars.
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) |
|---|---|---|---|---|---|
| e75d5ae8ab88b7ffb3d1d56124b003f3555f74b4 | affected | git | eb47b9bffd07a47b84910847cb5ea066ce184055 | Unavailable | None listed |
| e75d5ae8ab88b7ffb3d1d56124b003f3555f74b4 | affected | git | 06f6dd2ff2bd07eaf7178a807407ff27e85122b4 | Unavailable | None listed |
| e75d5ae8ab88b7ffb3d1d56124b003f3555f74b4 | affected | git | a4be4a1308f02bff79a30eea2d04ead5b63685f2 | Unavailable | None listed |
| e75d5ae8ab88b7ffb3d1d56124b003f3555f74b4 | affected | git | 81371dbd23601f67f01372817fdbab42c5601e43 | Unavailable | None listed |
| e75d5ae8ab88b7ffb3d1d56124b003f3555f74b4 | affected | git | 9764a786ba98db58f0725913c369e721253aba33 | Unavailable | None listed |
| e75d5ae8ab88b7ffb3d1d56124b003f3555f74b4 | affected | git | d876153680e3d721d385e554def919bce3d18c74 | 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) |
|---|---|---|---|---|---|
| 6.0 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 6.0 | Unavailable | None listed |
| 6.1.177 | unaffected | semver | Unavailable | 6.1.* | None listed |
| 6.6.144 | unaffected | semver | Unavailable | 6.6.* | None listed |
| 6.12.95 | unaffected | semver | Unavailable | 6.12.* | None listed |
| 6.18.38 | unaffected | semver | Unavailable | 6.18.* | None listed |
| 7.1.3 | unaffected | semver | Unavailable | 7.1.* | None listed |
| 7.2 | unaffected | original_commit_for_fix | Unavailable | * | None listed |