CVE-2026-23023
idpf: fix memory leak in idpf_vport_rel()
Reported by linux · Published January 31, 2026
In the Linux kernel, the following vulnerability has been resolved: idpf: fix memory leak in idpf_vport_rel() Free vport->rx_ptype_lkup in idpf_vport_rel() to avoid leaking memory during a reset. Reported by kmemleak: unreferenced object 0xff450acac838a000 (size 4096): comm "kworker/u258:5", pid 7732, jiffies 4296830044 hex dump (first 32 bytes): 00 00 00 00 00 10 00 00 00 10 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 10 00 00 00 00 00 00 ................ backtrace (crc 3da81902): __kmalloc_cache_noprof+0x469/0x7a0 idpf_send_get_rx_ptype_msg+0x90/0x570 [idpf] idpf_init_task+0x1ec/0x8d0 [idpf] process_one_work+0x226/0x6d0 worker_thread+0x19e/0x340 kthread+0x10f/0x250 ret_from_fork+0x251/0x2b0 ret_from_fork_asm+0x1a/0x30
EPSS 0.18% · 7.1th percentile
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| Linux | Linux | f6242b354605faff263ca45882b148200915a3f6, ec602a2a4071eb956d656ba968c58fee09f0622d, a4212d6732e3f674c6cc7d0b642f276d827e8f94, 6.7 |
Risk scores
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | 0fe45467a1041ea3657a7fa3a791c84c104fbd34, 0fe45467a1041ea3657a7fa3a791c84c104fbd34, 0fe45467a1041ea3657a7fa3a791c84c104fbd34 |
| Linux | Linux | 6.7, 0, 6.12.66 |
| Linux | Linux | 6.19, 0, 6.12.66 |
| linux | linux_kernel | 6.7, 6.7, 6.7 |
Timeline
- Jan 31, 2026 EPSS Score (30 in total, the first dated here)
- Jan 31, 2026 CVE Published
- Mar 22, 2026 Coalition ESS Score (2 in total, the first dated here)
- May 11, 2026 CVE Updated
- Jun 2, 2026 Security Advisory (44 in total, the first dated here)
- Sep 26, 2026 Distribution Patch (43 in total, the first dated here)
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