Description
In the Linux kernel, the following vulnerability has been resolved: media: saa7134: Fix a possible memory leak in saa7134_video_init1 In saa7134_video_init1(), the return value of the first saa7134_pgtable_alloc() is not checked. If it fails, the function continues as if successful, leaving the driver with an invalid page table. Additionally, if vb2_queue_init() for the VBI queue fails after the video queue page table has been allocated, the allocated memory is not freed before returning. The second saa7134_pgtable_alloc() also lacks a return value check. Errors occur during device probing before the device is fully registered, the normal cleanup path in saa7134_finidev() is not executed, leading to memory leaks and potential use of uninitialized DMA resources. Check the return value of both saa7134_pgtable_alloc() calls and propagate errors. On failure of any later step, free allocated page tables to avoid memory leaks. Ensure control handlers are also released on error to prevent further resource leakage. Found by code review.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Linux Linux
Default version status: unaffected
a00e68888d5d2b583b13d7d58204a27207af95fd to < e773b1d4bd191e7520bf9e02cb676d62c1b20556affecteda00e68888d5d2b583b13d7d58204a27207af95fd to < 44e16e3e022bf4a26adf03bc05a6dd5ffc34ef6daffecteda00e68888d5d2b583b13d7d58204a27207af95fd to < 34082a48376fd225a5c3d971c8962eb1320a54e0affecteda00e68888d5d2b583b13d7d58204a27207af95fd to < 134c979dd721e22f196d71026432ee37d1f5cc38affecteda00e68888d5d2b583b13d7d58204a27207af95fd to < e1ef361ee31d1dba5dcae2cdd50f9c1352df0c23affecteda00e68888d5d2b583b13d7d58204a27207af95fd to < b7936e8cbec1b96b126058eeb005e5b9111df38eaffecteda00e68888d5d2b583b13d7d58204a27207af95fd to < 1731dd61b6c0b7435c139951d2b7eada6c9667a8affecteda00e68888d5d2b583b13d7d58204a27207af95fd to < f86ed548386e3050e5f8f25b450d09dc009d9a88affected
Linux Linux
Default version status: affected
3.16affected0 to < 3.16unaffected5.10.265 to ≤ 5.10.*unaffected5.15.216 to ≤ 5.15.*unaffected6.1.183 to ≤ 6.1.*unaffected6.6.148 to ≤ 6.6.*unaffected6.12.101 to ≤ 6.12.*unaffected6.18.42 to ≤ 6.18.*unaffected7.1.6 to ≤ 7.1.*unaffected7.2 to ≤ *unaffected
References
- https://git.kernel.org/stable/c/e773b1d4bd191e7520bf9e02cb676d62c1b20556 ↗
- https://git.kernel.org/stable/c/44e16e3e022bf4a26adf03bc05a6dd5ffc34ef6d ↗
- https://git.kernel.org/stable/c/34082a48376fd225a5c3d971c8962eb1320a54e0 ↗
- https://git.kernel.org/stable/c/134c979dd721e22f196d71026432ee37d1f5cc38 ↗
- https://git.kernel.org/stable/c/e1ef361ee31d1dba5dcae2cdd50f9c1352df0c23 ↗
- https://git.kernel.org/stable/c/b7936e8cbec1b96b126058eeb005e5b9111df38e ↗
- https://git.kernel.org/stable/c/1731dd61b6c0b7435c139951d2b7eada6c9667a8 ↗
- https://git.kernel.org/stable/c/f86ed548386e3050e5f8f25b450d09dc009d9a88 ↗