CVE-2026-98015
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)
net/mlx5: E-Switch: fix use-after-free in mlx5_eswitch_termtbl_put
In the Linux kernel, the following vulnerability has been resolved: net/mlx5: E-Switch: fix use-after-free in mlx5_eswitch_termtbl_put In mlx5_eswitch_termtbl_put(), the zero-ref cleanup check reads tt->ref_count after termtbl_mutex has been released. Two concurrent callers on the same mlx5_termtbl_handle race: one decrements ref_count to zero, removes the hash entry, and calls kfree(tt) while the other has already dropped the mutex and is about to evaluate if (!tt->ref_count), producing a use-after-free. Fix this by capturing the result of the decrement into a stack-local last variable before dropping the mutex. The cleanup decision is now made entirely under termtbl_mutex, and tt is not touched after kfree.
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) |
|---|---|---|---|---|---|
| 10caabdaad5ace85577a453da97d1f8d3b944427 | affected | git | e3ee194a790896fa92fea20b5385a354be2f2c12 | Unavailable | None listed |
| 10caabdaad5ace85577a453da97d1f8d3b944427 | affected | git | b1398c9dfb5d3d4faaf6905ff7d98110a5d2c797 | Unavailable | None listed |
| 10caabdaad5ace85577a453da97d1f8d3b944427 | affected | git | 92f581cac93a71723456ac79ef54d9f60a251b42 | Unavailable | None listed |
| 10caabdaad5ace85577a453da97d1f8d3b944427 | affected | git | a5833fdf53350b8b95a558fcf0056ddb1c0fe154 | Unavailable | None listed |
| 10caabdaad5ace85577a453da97d1f8d3b944427 | affected | git | 304ea40ef4561671503c36e47da44a0a31b71e36 | Unavailable | None listed |
| 10caabdaad5ace85577a453da97d1f8d3b944427 | affected | git | e393789e92310d7c66f57c876101779c90816a12 | Unavailable | None listed |
| 10caabdaad5ace85577a453da97d1f8d3b944427 | affected | git | 18b2969073879b9cce24e1a78b118bdad54518d1 | Unavailable | None listed |
| 10caabdaad5ace85577a453da97d1f8d3b944427 | affected | git | 7ee07f601f8f507c9faf25c68a49396ab8950596 | 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) |
|---|---|---|---|---|---|
| 5.3 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 5.3 | Unavailable | None listed |
| 5.10.271 | unaffected | semver | Unavailable | 5.10.* | None listed |
| 5.15.222 | unaffected | semver | Unavailable | 5.15.* | None listed |
| 6.1.189 | unaffected | semver | Unavailable | 6.1.* | None listed |
| 6.6.158 | unaffected | semver | Unavailable | 6.6.* | None listed |
| 6.12.111 | unaffected | semver | Unavailable | 6.12.* | None listed |
| 6.18.53 | unaffected | semver | Unavailable | 6.18.* | None listed |
| 7.2.7 | unaffected | semver | Unavailable | 7.2.* | None listed |
| 7.3 | unaffected | original_commit_for_fix | Unavailable | * | None listed |