Answer in brief
CVE-2024-26875 records a Medium severity (CVSS 6.4) vulnerability in media: pvrusb2: fix uaf in pvr2_context_set_notify. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic), linux/linux_kernel (generic), Siemens/SIMATIC S7-1500 TM MFP - GNU/Linux subsystem (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 6.4. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic), linux/linux_kernel (generic), Siemens/SIMATIC S7-1500 TM MFP - GNU/Linux subsystem (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=e5be15c63804e05b5a94197524023702a259e308 <ed8000e1e8e9684ab6c30cf2b526c0cea039929c || >=e5be15c63804e05b5a94197524023702a259e308 <d29ed08964cec8b9729bc55c7bb23f679d7a18fb || >=e5be15c63804e05b5a94197524023702a259e308 <ab896d93fd6a2cd1afeb034c3cc9226cb499209f || >=e5be15c63804e05b5a94197524023702a259e308 <eb6e9dce979c08210ff7249e5e0eceb8991bfcd7 || >=e5be15c63804e05b5a94197524023702a259e308 <3a1ec89708d2e57e2712f46241282961b1a7a475 || >=e5be15c63804e05b5a94197524023702a259e308 <8e60b99f6b7ccb3badeb512f5eb613ad45904592 || >=e5be15c63804e05b5a94197524023702a259e308 <40cd818fae875c424a8335009db33c7b5a07de3a || >=e5be15c63804e05b5a94197524023702a259e308 <eaa410e05bdf562c90b23cdf2d9327f9c4625e16 || >=e5be15c63804e05b5a94197524023702a259e308 <0a0b79ea55de8514e1750884e5fec77f9fdd01ee | ed8000e1e8e9684ab6c30cf2b526c0cea039929c, d29ed08964cec8b9729bc55c7bb23f679d7a18fb, ab896d93fd6a2cd1afeb034c3cc9226cb499209f, eb6e9dce979c08210ff7249e5e0eceb8991bfcd7, 3a1ec89708d2e57e2712f46241282961b1a7a475, 8e60b99f6b7ccb3badeb512f5eb613ad45904592, 40cd818fae875c424a8335009db33c7b5a07de3a, eaa410e05bdf562c90b23cdf2d9327f9c4625e16, 0a0b79ea55de8514e1750884e5fec77f9fdd01ee |
| Linux/Linuxgeneric | 2.6.26 | Not reported |
| linux/linux_kernelgeneric | >=e5be15c63804 <ed8000e1e8e9 || >=e5be15c63804 <d29ed08964ce || >=e5be15c63804 <ab896d93fd6a || >=e5be15c63804 <eb6e9dce979c || >=e5be15c63804 <3a1ec89708d2 || >=e5be15c63804 <=8e60b99f6b7c || >=e5be15c63804 <40cd818fae87 || >=e5be15c63804 <eaa410e05bdf || >=e5be15c63804 <0a0b79ea55de || 2.6.26 | ed8000e1e8e9, d29ed08964ce, ab896d93fd6a, eb6e9dce979c, 3a1ec89708d2, 40cd818fae87, eaa410e05bdf, 0a0b79ea55de |
| Siemens/SIMATIC S7-1500 TM MFP - GNU/Linux subsystemgeneric | >=0 <V1.1.1 | V1.1.1 |
Published upstream
Apr 17, 2024
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 15, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Oct 15, 2026
In the Linux kernel, the following vulnerability has been resolved: media: pvrusb2: fix uaf in pvr2_context_set_notify [Syzbot reported] BUG: KASAN: slab-use-after-free in pvr2_context_set_notify+0x2c4/0x310 drivers/media/usb/pvrusb2/pvrusb2-context.c:35 Read of size 4 at addr ffff888113aeb0d8 by task kworker/1:1/26 CPU: 1 PID: 26 Comm: kworker/1:1 Not tainted 6.8.0-rc1-syzkaller-00046-gf1a27f081c1f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 Workqueue: usb_hub_wq hub_event Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:377 [inline] print_report+0xc4/0x620 mm/kasan/report.c:488 kasan_report+0xda/0x110 mm/kasan/report.c:601 pvr2_context_set_notify+0x2c4/0x310 drivers/media/usb/pvrusb2/pvrusb2-context.c:35 pvr2_context_notify drivers/media/usb/pvrusb2/pvrusb2-context.c:95 [inline] pvr2_context_disconnect+0x94/0xb0 drivers/media/usb/pvrusb2/pvrusb2-context.c:272 Freed by task 906: kasan_save_stack+0x33/0x50 mm/kasan/common.c:47 kasan_save_track+0x14/0x30 mm/kasan/common.c:68 kasan_save_free_info+0x3f/0x60 mm/kasan/generic.c:640 poison_slab_object mm/kasan/common.c:241 [inline] __kasan_slab_free+0x106/0x1b0 mm/kasan/common.c:257 kasan_slab_free include/linux/kasan.h:184 [inline] slab_free_hook mm/slub.c:2121 [inline] slab_free mm/slub.c:4299 [inline] kfree+0x105/0x340 mm/slub.c:4409 pvr2_context_check drivers/media/usb/pvrusb2/pvrusb2-context.c:137 [inline] pvr2_context_thread_func+0x69d/0x960 drivers/media/usb/pvrusb2/pvrusb2-context.c:158 [Analyze] Task A set disconnect_flag = !0, which resulted in Task B's condition being met and releasing mp, leading to this issue. [Fix] Place the disconnect_flag assignment operation after all code in pvr2_context_disconnect() to avoid this issue.
Quoted source text, attributed separately from HOL analysis.