isofs: handle set_blocksize failures
Summary
| CVE | CVE-2026-98879 |
| State | PUBLISHED |
| Assigner | Linux |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-10-23 12:18:21 UTC |
| Updated | 2026-10-23 12:18:21 UTC |
| Description | In the Linux kernel, the following vulnerability has been resolved:
isofs: handle set_blocksize failures
isofs uses buffer_heads, which don't handle block size > PAGE_SIZE well.
Without this, mounting we will hit the
BUG_ON(offset >= folio_size(folio));
in folio_set_bh on the first __bread_gfp call. |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|
| CNA |
Linux |
Linux |
affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 6db7f0ba365786304558db6a3d52013ae176e03e git |
Not specified |
| CNA |
Linux |
Linux |
affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 61f277bf35f533b602984f0e55900111fe52f31a git |
Not specified |
| CNA |
Linux |
Linux |
affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 cebde6d88e34396c29f2f001d90e921677cc17d6 git |
Not specified |
| CNA |
Linux |
Linux |
affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 28d1f6aa14f5924e36602b7a31c9141d34de0b9c git |
Not specified |
| CNA |
Linux |
Linux |
affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 9c97e3b1152d3092581745189f5d2f04c6404ef9 git |
Not specified |
| CNA |
Linux |
Linux |
affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 9584ab6283721e5aab485c79bd06c2f78d89e55c git |
Not specified |
| CNA |
Linux |
Linux |
affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 25ef4c4d9f0e96fb89c0ae0d7127c3f12a31bc32 git |
Not specified |
| CNA |
Linux |
Linux |
affected 5.10.271 semver |
Not specified |
| CNA |
Linux |
Linux |
affected 5.15.222 semver |
Not specified |
| CNA |
Linux |
Linux |
affected 6.1.189 semver |
Not specified |
| CNA |
Linux |
Linux |
affected 6.6.158 semver |
Not specified |
| CNA |
Linux |
Linux |
affected 6.12.111 semver |
Not specified |
| CNA |
Linux |
Linux |
affected 6.18.53 semver |
Not specified |
| CNA |
Linux |
Linux |
unaffected 5.10.271 5.10.* semver |
Not specified |
| CNA |
Linux |
Linux |
unaffected 5.15.222 5.15.* semver |
Not specified |
| CNA |
Linux |
Linux |
unaffected 6.1.189 6.1.* semver |
Not specified |
| CNA |
Linux |
Linux |
unaffected 6.6.158 6.6.* semver |
Not specified |
| CNA |
Linux |
Linux |
unaffected 6.12.111 6.12.* semver |
Not specified |
| CNA |
Linux |
Linux |
unaffected 6.18.53 6.18.* semver |
Not specified |
| CNA |
Linux |
Linux |
unaffected 7.2 * original_commit_for_fix |
Not specified |
References
| Reference | Source | Link | Tags |
|---|
| git.kernel.org/stable/c/9c97e3b1152d3092581745189f5d2f04c6404ef9 |
416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
git.kernel.org |
|
| git.kernel.org/stable/c/61f277bf35f533b602984f0e55900111fe52f31a |
416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
git.kernel.org |
|
| git.kernel.org/stable/c/6db7f0ba365786304558db6a3d52013ae176e03e |
416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
git.kernel.org |
|
| git.kernel.org/stable/c/25ef4c4d9f0e96fb89c0ae0d7127c3f12a31bc32 |
416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
git.kernel.org |
|
| git.kernel.org/stable/c/28d1f6aa14f5924e36602b7a31c9141d34de0b9c |
416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
git.kernel.org |
|
| git.kernel.org/stable/c/9584ab6283721e5aab485c79bd06c2f78d89e55c |
416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
git.kernel.org |
|
| git.kernel.org/stable/c/cebde6d88e34396c29f2f001d90e921677cc17d6 |
416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
git.kernel.org |
|
| CVE Program record |
CVE.ORG |
www.cve.org |
canonical |
| NVD vulnerability detail |
NVD |
nvd.nist.gov |
canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.