Answer in brief
CVE-2024-26947 records a Medium severity (CVSS 5.5) vulnerability in ARM: 9359/1: flush: check if the folio is reserved for no-mapping addresses. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (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 5.5. 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). Check affected ranges and fixed versions before updating.
| Product | Affected versions | Fixed versions |
|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | Not reported | Not reported |
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=a4d5613c4dc6d413e0733e37db9d116a2a36b9f3 <ed95b1e88174566de3dc81d94399aacf2c9dfba4 || >=a4d5613c4dc6d413e0733e37db9d116a2a36b9f3 <0c027c2bad7f5111c51a358b5d392e1a695dabff || >=a4d5613c4dc6d413e0733e37db9d116a2a36b9f3 <9f7ddc222cae8254e93d5c169a8ae11a49d912a7 || >=a4d5613c4dc6d413e0733e37db9d116a2a36b9f3 <fb3a122a978626b33de3367ee1762da934c0f512 || >=a4d5613c4dc6d413e0733e37db9d116a2a36b9f3 <0c66c6f4e21cb22220cbd8821c5c73fc157d20dc || 6026d4032dbbe3d7f4ac2c8daa923fe74dcf41c4 || 65c578935bcc26ddc04e6757b2c7be95bf235b31 || >=5.4.167 <5.5 || >=5.10.87 <5.11 | ed95b1e88174566de3dc81d94399aacf2c9dfba4, 0c027c2bad7f5111c51a358b5d392e1a695dabff, 9f7ddc222cae8254e93d5c169a8ae11a49d912a7, fb3a122a978626b33de3367ee1762da934c0f512, 0c66c6f4e21cb22220cbd8821c5c73fc157d20dc, 5.5, 5.11 |
| Linux/Linuxgeneric | 5.14 | Not reported |
Published upstream
May 1, 2024
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 30, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Oct 30, 2026
In the Linux kernel, the following vulnerability has been resolved: ARM: 9359/1: flush: check if the folio is reserved for no-mapping addresses Since commit a4d5613c4dc6 ("arm: extend pfn_valid to take into account freed memory map alignment") changes the semantics of pfn_valid() to check presence of the memory map for a PFN. A valid page for an address which is reserved but not mapped by the kernel[1], the system crashed during some uio test with the following memory layout: node 0: [mem 0x00000000c0a00000-0x00000000cc8fffff] node 0: [mem 0x00000000d0000000-0x00000000da1fffff] the uio layout is：0xc0900000, 0x100000 the crash backtrace like: Unable to handle kernel paging request at virtual address bff00000 [...] CPU: 1 PID: 465 Comm: startapp.bin Tainted: G O 5.10.0 #1 Hardware name: Generic DT based system PC is at b15_flush_kern_dcache_area+0x24/0x3c LR is at __sync_icache_dcache+0x6c/0x98 [...] (b15_flush_kern_dcache_area) from (__sync_icache_dcache+0x6c/0x98) (__sync_icache_dcache) from (set_pte_at+0x28/0x54) (set_pte_at) from (remap_pfn_range+0x1a0/0x274) (remap_pfn_range) from (uio_mmap+0x184/0x1b8 [uio]) (uio_mmap [uio]) from (__mmap_region+0x264/0x5f4) (__mmap_region) from (__do_mmap_mm+0x3ec/0x440) (__do_mmap_mm) from (do_mmap+0x50/0x58) (do_mmap) from (vm_mmap_pgoff+0xfc/0x188) (vm_mmap_pgoff) from (ksys_mmap_pgoff+0xac/0xc4) (ksys_mmap_pgoff) from (ret_fast_syscall+0x0/0x5c) Code: e0801001 e2423001 e1c00003 f57ff04f (ee070f3e) ---[ end trace 09cf0734c3805d52 ]--- Kernel panic - not syncing: Fatal exception So check if PG_reserved was set to solve this issue. [1]: https://lore.kernel.org/lkml/[email protected]/
Quoted source text, attributed separately from HOL analysis.