CVSS: 7.8EPSS: 0%CPEs: 5EXPL: 0CVE-2021-47351 – ubifs: Fix races between xattr_{set|get} and listxattr operations
https://notcve.org/view.php?id=CVE-2021-47351
21 May 2024 — In the Linux kernel, the following vulnerability has been resolved: ubifs: Fix races between xattr_{set|get} and listxattr operations UBIFS may occur some problems with concurrent xattr_{set|get} and listxattr operations, such as assertion failure, memory corruption, stale xattr value[1]. Fix it by importing a new rw-lock in @ubifs_inode to serilize write operations on xattr, concurrent read operations are still effective, just like ext4. [1] https://lore.kernel.org/linux-mtd/20200630130438.141649-1-houtao1... • https://git.kernel.org/stable/c/1e51764a3c2ac05a23a22b2a95ddee4d9bffb16d •
CVSS: 5.5EPSS: 0%CPEs: 5EXPL: 0CVE-2021-47350 – powerpc/mm: Fix lockup on kernel exec fault
https://notcve.org/view.php?id=CVE-2021-47350
21 May 2024 — In the Linux kernel, the following vulnerability has been resolved: powerpc/mm: Fix lockup on kernel exec fault The powerpc kernel is not prepared to handle exec faults from kernel. Especially, the function is_exec_fault() will return 'false' when an exec fault is taken by kernel, because the check is based on reading current->thread.regs->trap which contains the trap from user. For instance, when provoking a LKDTM EXEC_USERSPACE test, current->thread.regs->trap is set to SYSCALL trap (0xc00), and the fault... • https://git.kernel.org/stable/c/d3ca587404b36943b02df87406054ce73cc49500 •
CVSS: 5.5EPSS: 0%CPEs: 3EXPL: 0CVE-2021-47349 – mwifiex: bring down link before deleting interface
https://notcve.org/view.php?id=CVE-2021-47349
21 May 2024 — In the Linux kernel, the following vulnerability has been resolved: mwifiex: bring down link before deleting interface We can deadlock when rmmod'ing the driver or going through firmware reset, because the cfg80211_unregister_wdev() has to bring down the link for us, ... which then grab the same wiphy lock. nl80211_del_interface() already handles a very similar case, with a nice description: /* * We hold RTNL, so this is safe, without RTNL opencount cannot * reach 0, and thus the rdev cannot be deleted. * *... • https://git.kernel.org/stable/c/a05829a7222e9d10c416dd2dbbf3929fe6646b89 •
CVSS: 9.1EPSS: 0%CPEs: 4EXPL: 0CVE-2021-47348 – drm/amd/display: Avoid HDCP over-read and corruption
https://notcve.org/view.php?id=CVE-2021-47348
21 May 2024 — In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Avoid HDCP over-read and corruption Instead of reading the desired 5 bytes of the actual target field, the code was reading 8. This could result in a corrupted value if the trailing 3 bytes were non-zero, so instead use an appropriately sized and zero-initialized bounce buffer, and read only 5 bytes before casting to u64. En el kernel de Linux, se resolvió la siguiente vulnerabilidad: drm/amd/display: evita la sobrelectura ... • https://git.kernel.org/stable/c/c5b518f4b98dbb2bc31b6a55e6aaa1e0e2948f2e • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •
CVSS: 8.8EPSS: 0%CPEs: 9EXPL: 0CVE-2021-47347 – wl1251: Fix possible buffer overflow in wl1251_cmd_scan
https://notcve.org/view.php?id=CVE-2021-47347
21 May 2024 — In the Linux kernel, the following vulnerability has been resolved: wl1251: Fix possible buffer overflow in wl1251_cmd_scan Function wl1251_cmd_scan calls memcpy without checking the length. Harden by checking the length is within the maximum allowed size. En el kernel de Linux se ha resuelto la siguiente vulnerabilidad: wl1251: corrige posible desbordamiento del buffer en wl1251_cmd_scan. La función wl1251_cmd_scan llama a memcpy sin comprobar la longitud. Endurecer comprobando que el largo esté dentro del... • https://git.kernel.org/stable/c/57ad99ae3c6738ba87bad259bb57c641ca68ebf6 • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') •
CVSS: 7.1EPSS: 0%CPEs: 6EXPL: 0CVE-2021-47346 – coresight: tmc-etf: Fix global-out-of-bounds in tmc_update_etf_buffer()
https://notcve.org/view.php?id=CVE-2021-47346
21 May 2024 — In the Linux kernel, the following vulnerability has been resolved: coresight: tmc-etf: Fix global-out-of-bounds in tmc_update_etf_buffer() commit 6f755e85c332 ("coresight: Add helper for inserting synchronization packets") removed trailing '\0' from barrier_pkt array and updated the call sites like etb_update_buffer() to have proper checks for barrier_pkt size before read but missed updating tmc_update_etf_buffer() which still reads barrier_pkt past the array size resulting in KASAN out-of-bounds bug. Fix ... • https://git.kernel.org/stable/c/0c3fc4d5fa26092853278145aca9b21fa52a3e93 •
CVSS: 3.3EPSS: 0%CPEs: 9EXPL: 0CVE-2021-47345 – RDMA/cma: Fix rdma_resolve_route() memory leak
https://notcve.org/view.php?id=CVE-2021-47345
21 May 2024 — In the Linux kernel, the following vulnerability has been resolved: RDMA/cma: Fix rdma_resolve_route() memory leak Fix a memory leak when "mda_resolve_route() is called more than once on the same "rdma_cm_id". This is possible if cma_query_handler() triggers the RDMA_CM_EVENT_ROUTE_ERROR flow which puts the state machine back and allows rdma_resolve_route() to be called again. En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: RDMA/cma: Reparar pérdida de memoria rdma_resolve_route(). Repara... • https://git.kernel.org/stable/c/40b613db3a95bc27998e4097d74c2f7e5d083a0b •
CVSS: 4.1EPSS: 0%CPEs: 9EXPL: 0CVE-2021-47344 – media: zr364xx: fix memory leak in zr364xx_start_readpipe
https://notcve.org/view.php?id=CVE-2021-47344
21 May 2024 — In the Linux kernel, the following vulnerability has been resolved: media: zr364xx: fix memory leak in zr364xx_start_readpipe syzbot reported memory leak in zr364xx driver. The problem was in non-freed urb in case of usb_submit_urb() fail. backtrace: [
CVSS: 5.3EPSS: 0%CPEs: 9EXPL: 0CVE-2021-47343 – dm btree remove: assign new_root only when removal succeeds
https://notcve.org/view.php?id=CVE-2021-47343
21 May 2024 — In the Linux kernel, the following vulnerability has been resolved: dm btree remove: assign new_root only when removal succeeds remove_raw() in dm_btree_remove() may fail due to IO read error (e.g. read the content of origin block fails during shadowing), and the value of shadow_spine::root is uninitialized, but the uninitialized value is still assign to new_root in the end of dm_btree_remove(). For dm-thin, the value of pmd->details_root or pmd->root will become an uninitialized value, so if trying to read... • https://git.kernel.org/stable/c/4c84b3e0728ffe10d89c633694c35a02b5c477dc •
CVSS: 7.8EPSS: 0%CPEs: 3EXPL: 0CVE-2021-47342 – ext4: fix possible UAF when remounting r/o a mmp-protected file system
https://notcve.org/view.php?id=CVE-2021-47342
21 May 2024 — In the Linux kernel, the following vulnerability has been resolved: ext4: fix possible UAF when remounting r/o a mmp-protected file system After commit 618f003199c6 ("ext4: fix memory leak in ext4_fill_super"), after the file system is remounted read-only, there is a race where the kmmpd thread can exit, causing sbi->s_mmp_tsk to point at freed memory, which the call to ext4_stop_mmpd() can trip over. Fix this by only allowing kmmpd() to exit when it is stopped via ext4_stop_mmpd(). Bug-Report-Link: <202106... • https://git.kernel.org/stable/c/b663890d854403e566169f7e90aed5cd6ff64f6b •